{"title":"Performance Downpipes","description":"\u003cp\u003eExplore KYOSTAR performance downpipes engineered for select turbocharged vehicles. Designed with exhaust flow and precise fitment in mind, our downpipe options offer a performance-focused upgrade for enthusiasts building a more responsive exhaust setup.\u003c\/p\u003e\n\u003cp\u003eBrowse available configurations, including high-flow catted options where offered, and find the right downpipe for your vehicle. Always review product-specific fitment details, emissions compliance information, and local regulations before purchasing or installing.\u003c\/p\u003e","products":[{"product_id":"high-performance-racing-exhaust-downpipe-for-mercedes-c400-c450-c43-downpipe-m276-3-0t","title":"KYOSTAR Catless Downpipes for 2015+ Mercedes-Benz C400 C450 C43 AMG X253 GLC43 W212 E43 E400 M276 3.0T","description":"\u003ch5\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003eKYOSTAR Catless Downpipes for Mercedes-AMG C43 GLC43 E43 M276 3.0T Twin-Turbo V6\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h5\u003e\n\u003cp\u003eUpgrade your Mercedes-AMG M276 3.0T twin-turbo V6 platform with the KYOSTAR Catless Downpipes, designed for selected C43 AMG, GLC43 AMG, E43 AMG, and compatible Mercedes-Benz models. Featuring a high-flow catless design, these downpipes help reduce factory exhaust restriction, improve exhaust gas flow, and support faster turbo response, sharper throttle feel, and a more aggressive exhaust character.\u003c\/p\u003e\n\u003cp\u003eManufactured from durable 304 stainless steel, the KYOSTAR downpipes are engineered for heat resistance, corrosion protection, and long-term performance use. The optimized pipe routing and factory-style mounting points provide a clean installation solution for enthusiasts upgrading their Mercedes-AMG exhaust system, especially when combined with ECU tuning and supporting performance modifications.\u003c\/p\u003e\n\u003ch5\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eHigh-flow catless design helps reduce exhaust restriction and improve turbocharger exhaust flow.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e304 stainless steel construction provides excellent durability, heat resistance, and corrosion protection.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOptimized exhaust routing supports improved turbo response and performance potential.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDesigned specifically for Mercedes-Benz M276 3.0T twin-turbo V6 applications.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eProvides a more aggressive exhaust tone compared with the factory catalytic converter setup.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e2015+ Mercedes-Benz W205 C400 M276 3.0T\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e2015+ Mercedes-Benz W205 C450 AMG M276 3.0T\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e2015+ Mercedes-AMG W205 C43 AMG M276 3.0T\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e2020-2022 Mercedes-AMG X253 GLC43 M276 3.0T\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e2017-2019 Mercedes-AMG W213 E43 M276 3.0T\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e2017-2019 Mercedes-Benz W213 E400 M276 3.0T\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e2016-2018 Mercedes-Benz W212 E400 M276 3.0T\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e\u003c\/h5\u003e\n\u003cp\u003eCompatible engine: Mercedes-Benz M276 3.0L Twin-Turbo V6 engine applications only.\u003cbr\u003eIncompatible engine: Not compatible with M177 4.0T V8 AMG models, M274\/M264 2.0T engines, diesel engines, naturally aspirated engines, or other platforms.\u003cbr\u003eUsage: Catless downpipes are intended for off-road and motorsport applications only where permitted by local regulations.\u003cbr\u003eVerify chassis: Confirm your vehicle chassis code, engine code, production year, and factory exhaust configuration before purchase.\u003cbr\u003eVerify connection: Check turbo outlet connections, O2 sensor locations, mounting points, and exhaust routing before installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFitment Note:\u003c\/strong\u003e\u003cbr\u003eMercedes-Benz exhaust configurations may vary depending on production date, market specification, emissions equipment, and previous modifications. Please compare your factory downpipes, sensor locations, and exhaust connections with the product photos before ordering.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eProfessional installation is recommended.\u003c\/strong\u003e Proper installation, exhaust leak inspection, and ECU calibration are recommended for vehicles equipped with upgraded exhaust components.\u003c\/p\u003e\n\u003ch5\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003ePackage Includes\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003ePair of Catless Downpipes\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eInstallation Hardware\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eClamps and Accessories as Included\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eProduct Details\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h5\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eKYOSTAR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eKD5S012WG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eCatless Downpipes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFitment\u003c\/td\u003e\n\u003ctd\u003eMercedes-Benz C400 \/ C450 \/ C43 AMG \/ GLC43 AMG \/ E43 \/ E400\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEngine\u003c\/td\u003e\n\u003ctd\u003eM276 3.0L Twin-Turbo V6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChassis\u003c\/td\u003e\n\u003ctd\u003eW205 \/ X253 \/ W213 \/ W212\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eMercedes-AMG Turbo Exhaust Performance Upgrade\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExhaust Type\u003c\/td\u003e\n\u003ctd\u003eCatless Turbo Downpipe\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePipe Diameter\u003c\/td\u003e\n\u003ctd\u003eHigh-Flow Performance Design\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003e304 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFinish\u003c\/td\u003e\n\u003ctd\u003ePolished Stainless Steel Finish\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBenefits\u003c\/td\u003e\n\u003ctd\u003eImproved Exhaust Flow, Reduced Turbo Restriction, Faster Turbo Response, Enhanced Exhaust Tone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInstallation Type\u003c\/td\u003e\n\u003ctd\u003eDirect Replacement Performance Upgrade\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage Includes\u003c\/td\u003e\n\u003ctd\u003ePair of Catless Downpipes and Installation Hardware\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCondition\u003c\/td\u003e\n\u003ctd\u003eBrand New\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch5\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eFAQ\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h5\u003e\n\u003cp\u003e\u003cstrong\u003eQ: What Mercedes models does this downpipe fit?\u003c\/strong\u003e\u003cbr\u003eA: This catless downpipe set is designed for selected Mercedes-Benz and AMG models equipped with the M276 3.0T twin-turbo V6 engine, including C43 AMG, GLC43 AMG, and E43 AMG applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this compatible with M177 4.0T AMG engines?\u003c\/strong\u003e\u003cbr\u003eA: No. This product is specifically designed for M276 3.0T V6 applications and does not fit M177 V8 AMG models.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Will these downpipes increase exhaust sound?\u003c\/strong\u003e\u003cbr\u003eA: Yes. The catless high-flow design reduces exhaust restriction and provides a more aggressive exhaust tone.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is ECU tuning required after installation?\u003c\/strong\u003e\u003cbr\u003eA: ECU tuning may be recommended depending on the vehicle setup to optimize performance and properly manage emissions-related warnings.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Are these suitable for daily driving?\u003c\/strong\u003e\u003cbr\u003eA: These downpipes are designed for performance applications. Please check local regulations before installation for street use.\u003c\/p\u003e","brand":"My Store","offers":[{"title":"Ships from U.S. Warehouse","offer_id":53792372195601,"sku":"KD5S012WG-1","price":330.0,"currency_code":"USD","in_stock":false},{"title":"Factory Direct Shipping","offer_id":53792372228369,"sku":"KD5S012WG-2","price":390.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0919\/7361\/5889\/files\/KD5S012WG_1.jpg?v=1739002250"},{"product_id":"kyostar-ss304-stainless-steel-racing-exhaust-downpipe-for-2020-bmwg80-m3-g82-m4-s58-downpipe","title":"KYOSTAR 304 Stainless Steel Downpipe for 2021+ BMW G80 M3 G82 M4 S58 3.0T","description":"\u003ch5\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003eKYOSTAR 304 Stainless Steel Downpipe for 2021+ BMW G80 M3 G82 M4 S58 3.0T\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h5\u003e\n\n\u003cp\u003e\nUpgrade your BMW M performance platform with the KYOSTAR 304 Stainless Steel Downpipe, engineered specifically for 2021+ BMW G80 M3 and G82 M4 models equipped with the S58 3.0T twin-turbo engine. This high-flow downpipe improves exhaust gas flow by reducing factory exhaust restriction while delivering a more aggressive exhaust tone and supporting improved turbocharger efficiency.\n\u003c\/p\u003e\n\n\u003cp\u003e\nManufactured from premium 304 stainless steel, the KYOSTAR downpipe provides excellent heat resistance, corrosion protection, and long-term durability for high-performance applications. The optimized exhaust design helps improve exhaust flow characteristics, making it an ideal upgrade for S58-powered BMW builds seeking enhanced sound, improved exhaust response, and increased performance potential.\n\u003c\/p\u003e\n\n\u003ch5\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h5\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e\n\u003cp\u003eHigh-flow downpipe design helps reduce factory exhaust restriction and improve exhaust gas flow.\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003e304 stainless steel construction provides excellent durability, corrosion resistance, and heat tolerance.\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003ePerformance-oriented design supports improved turbocharger exhaust efficiency and response.\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003eDesigned specifically for BMW S58 3.0T twin-turbo M applications.\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003eProvides a deeper and more aggressive exhaust tone compared with the factory setup.\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003c\/ul\u003e\n\n\u003ch5\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h5\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e\n\u003cp\u003e2021+ BMW G80 M3 S58 3.0T Twin-Turbo\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003e2021+ BMW G82 M4 S58 3.0T Twin-Turbo\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003eBMW G80 M3 Competition S58 3.0T\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003eBMW G82 M4 Competition S58 3.0T\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003c\/ul\u003e\n\n\u003ch5\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e\u003c\/h5\u003e\n\n\u003cp\u003e\nCompatible engine: BMW S58 3.0T Twin-Turbo Inline-6 engine applications only.\u003cbr\u003e\nIncompatible engine: Not compatible with standard 3 Series, 4 Series, B48, B58, N55, diesel, naturally aspirated, or other engine platforms.\u003cbr\u003e\nVerify chassis: Confirm your BMW chassis code, engine code, and exhaust configuration before purchase.\u003cbr\u003e\nVerify connection: Check turbo outlet connections, exhaust routing, and existing modifications before installation.\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eFitment Note:\u003c\/strong\u003e\u003cbr\u003e\nVehicle exhaust configurations may vary depending on production year, market specification, Competition package, and previous modifications. Please compare your factory downpipe connections, mounting points, and exhaust layout with the product photos before ordering.\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eProfessional installation is recommended.\u003c\/strong\u003e Ensure all exhaust connections, clamps, gaskets, and mounting hardware are properly secured after installation.\n\u003c\/p\u003e\n\n\u003ch5\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003ePackage Includes\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h5\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e\n\u003cp\u003e304 Stainless Steel Downpipes\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003eExhaust Clamps\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003eMounting Hardware\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003eGaskets (if included)\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003c\/ul\u003e\n\n\u003ch5\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eProduct Details\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h5\u003e\n\n\u003ctable\u003e\n\u003ctbody\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eKYOSTAR\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eKD5S011WG\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003e304 Stainless Steel Downpipe\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eFitment\u003c\/td\u003e\n\u003ctd\u003e2021+ BMW G80 M3 \/ G82 M4\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eEngine\u003c\/td\u003e\n\u003ctd\u003eS58 3.0T Twin-Turbo Inline-6\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eChassis\u003c\/td\u003e\n\u003ctd\u003eG80 \/ G82\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eBMW S58 Turbo Exhaust Performance Upgrade\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eBenefits\u003c\/td\u003e\n\u003ctd\u003eImproved Exhaust Flow, Reduced Exhaust Restriction, Enhanced Exhaust Tone, Better Turbo Response\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003e304 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eFinish\u003c\/td\u003e\n\u003ctd\u003ePolished Stainless Steel Finish\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eExhaust Type\u003c\/td\u003e\n\u003ctd\u003eHigh Flow Performance Downpipe\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eInstallation Type\u003c\/td\u003e\n\u003ctd\u003eDirect Bolt-On Exhaust Upgrade\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003ePackage Includes\u003c\/td\u003e\n\u003ctd\u003eDownpipes, Clamps, Mounting Hardware, and Gaskets if Included\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eCondition\u003c\/td\u003e\n\u003ctd\u003eBrand New\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\n\u003ch5\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eFAQ\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h5\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eQ: What BMW models does this downpipe fit?\u003c\/strong\u003e\u003cbr\u003e\nA: This downpipe is designed for 2021+ BMW G80 M3 and G82 M4 models equipped with the S58 3.0T twin-turbo engine.\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eQ: Is this compatible with BMW B58 or N55 engines?\u003c\/strong\u003e\u003cbr\u003e\nA: No. This downpipe is specifically designed for S58-powered BMW M models and is not compatible with B58, N55, or other engine platforms.\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eQ: Will this improve exhaust sound?\u003c\/strong\u003e\u003cbr\u003e\nA: Yes. The high-flow design helps reduce exhaust restriction and provides a more aggressive performance exhaust tone.\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eQ: Does this require ECU tuning?\u003c\/strong\u003e\u003cbr\u003e\nA: ECU tuning is not required for installation. However, tuning may help optimize performance when combined with additional modifications.\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eQ: Is professional installation recommended?\u003c\/strong\u003e\u003cbr\u003e\nA: Yes. Professional installation is recommended to ensure proper fitment, sealing, and safe exhaust operation.\n\u003c\/p\u003e","brand":"My Store","offers":[{"title":"Ships from U.S. Warehouse","offer_id":53806379958545,"sku":"KD5S011WG-1","price":273.0,"currency_code":"USD","in_stock":true},{"title":"Factory Direct Shipping","offer_id":53806379991313,"sku":"KD5S011WG-2","price":293.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0919\/7361\/5889\/files\/KD5S011WG_1.jpg?v=1739003343"},{"product_id":"kyostar-304-stainless-steels-2-5-downpipe-exhaust-for-nissan-370z-infiniti-g37-q50-q60-3-7l-2009-2017","title":"KYOSTAR Lower Downpipes for 2009+ Nissan 370Z Z34 Infiniti G37 VQ37VHR 3.7L V6","description":"\u003ch5\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003eKYOSTAR Lower Downpipes for 2009+ Nissan 370Z Z34 Infiniti G37 VQ37VHR 3.7L V6\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h5\u003e\n\u003cp\u003eUpgrade your Nissan 370Z Z34 or Infiniti G37 equipped with the VQ37VHR 3.7L V6 engine with the KYOSTAR Lower Downpipe Set. Designed to improve exhaust flow efficiency by reducing factory exhaust restriction, these high-flow lower downpipes help enhance throttle response, exhaust tone, and overall engine breathing performance.\u003c\/p\u003e\n\u003cp\u003eManufactured with optimized tubing design and a polished stainless steel finish, the KYOSTAR lower downpipes provide smoother exhaust flow and improved exhaust pulse efficiency for naturally aspirated V6 applications. This performance exhaust upgrade is ideal for enthusiasts seeking improved exhaust response, enhanced sound, and a cleaner underbody appearance.\u003c\/p\u003e\n\u003ch5\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eHigh-flow lower downpipe design helps reduce exhaust restriction and improve exhaust gas flow.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eOptimized tubing routing improves exhaust pulse efficiency and supports better engine breathing.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eStainless steel construction provides durability and resistance against corrosion and heat exposure.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePolished finish delivers a clean and performance-oriented appearance under the vehicle.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eDesigned specifically for Nissan and Infiniti VQ37VHR 3.7L naturally aspirated V6 applications.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e2009-2016 Nissan 370Z Z34 3.7L V6\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e2008-2013 Infiniti G37 Coupe 3.7L V6\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e2009-2013 Infiniti G37 Sedan 3.7L V6\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEngine: VQ37VHR 3.7L Naturally Aspirated V6\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e\u003c\/h5\u003e\n\u003cp\u003eCompatible engine: VQ37VHR 3.7L naturally aspirated V6 engine applications only.\u003cbr\u003eIncompatible engine: Not compatible with VQ35DE, VQ35HR, VR30DDTT turbo engines, or other exhaust configurations.\u003cbr\u003eVerify chassis: Confirm Nissan Z34 or Infiniti V36 platform compatibility before purchase.\u003cbr\u003eVerify connection: Check exhaust flange locations, tubing routing, and existing exhaust modifications before installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eFitment Note:\u003c\/strong\u003e\u003cbr\u003eVehicle exhaust configurations may vary by production year, market specification, and previous modifications. Please compare your factory exhaust layout, mounting points, and connection locations with the product photos before ordering.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eProfessional installation is recommended.\u003c\/strong\u003e Ensure all exhaust connections, gaskets, hardware, and mounting points are properly secured after installation.\u003c\/p\u003e\n\u003ch5\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eProduct Details\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h5\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eKYOSTAR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eKD5S008GY\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eLower Downpipe Set\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFitment\u003c\/td\u003e\n\u003ctd\u003eNissan 370Z Z34 \/ Infiniti G37 VQ37VHR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEngine\u003c\/td\u003e\n\u003ctd\u003eVQ37VHR 3.7L Naturally Aspirated V6\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChassis\u003c\/td\u003e\n\u003ctd\u003eNissan Z34 \/ Infiniti V36 Platform\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eNaturally Aspirated Exhaust Performance Upgrade\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBenefits\u003c\/td\u003e\n\u003ctd\u003eImproved Exhaust Flow, Reduced Backpressure, Enhanced Exhaust Tone, Better Exhaust Pulse Efficiency\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eStainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFinish\u003c\/td\u003e\n\u003ctd\u003ePolished Finish\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExhaust Type\u003c\/td\u003e\n\u003ctd\u003eHigh Flow Lower Downpipe\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInstallation Type\u003c\/td\u003e\n\u003ctd\u003eDirect Bolt-On Exhaust Upgrade\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage Includes\u003c\/td\u003e\n\u003ctd\u003eLower Downpipe Set, Gaskets, and Installation Hardware\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCondition\u003c\/td\u003e\n\u003ctd\u003eNew\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch5\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eFAQ\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h5\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Will these lower downpipes fit the Nissan 350Z VQ35 engine?\u003c\/strong\u003e\u003cbr\u003eA: No. These lower downpipes are designed specifically for VQ37VHR 3.7L V6 applications including Nissan 370Z Z34 and Infiniti G37 models.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Will this upgrade improve exhaust sound?\u003c\/strong\u003e\u003cbr\u003eA: Yes. The high-flow design reduces exhaust restriction and provides a deeper, more aggressive exhaust tone compared with the factory setup.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Does installation require ECU tuning?\u003c\/strong\u003e\u003cbr\u003eA: ECU tuning is not required for installation. However, tuning may help optimize performance when combined with additional exhaust or engine modifications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is this suitable for daily driving?\u003c\/strong\u003e\u003cbr\u003eA: Yes. The KYOSTAR Lower Downpipe Set is designed for street performance builds and naturally aspirated VQ37VHR enthusiasts.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eQ: Is professional installation recommended?\u003c\/strong\u003e\u003cbr\u003eA: Yes. Professional installation is recommended to ensure proper exhaust alignment, sealing, and hardware installation.\u003c\/p\u003e","brand":"My Store","offers":[{"title":"Ships from U.S. Warehouse","offer_id":53792960053521,"sku":"KD5S008GY","price":138.0,"currency_code":"USD","in_stock":false},{"title":"Factory Direct Shipping","offer_id":53792960086289,"sku":"KD5S008GY","price":158.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0919\/7361\/5889\/files\/KD5S008GY_1.jpg?v=1739003641"},{"product_id":"kyostar-one-piece-catless-downpipes-for-2021-bmw-g80-m3-g82-g83-m4-2022-g81-m3-s58-3-0t","title":"KYOSTAR One-Piece Catless Downpipes for 2021+ BMW G80 M3 G82 G83 M4 2022+ G81 M3 S58 3.0T","description":"\u003cdiv class=\"product-description\"\u003e\n\u003ch5\u003e\u003cstrong\u003eKYOSTAR One-Piece Catless Downpipes for BMW G80 G81 M3 \u0026amp; G82 G83 M4 S58 3.0T \u003c\/strong\u003e\u003c\/h5\u003e\n\u003cp\u003eThe KYOSTAR One-Piece Catless Downpipes are designed for BMW G80\/G81 M3 and G82\/G83 M4 models equipped with the S58 3.0T Twin-Turbo Inline-6 engine. These high-flow downpipes replace the restrictive factory catalytic converter sections to reduce exhaust restriction, improve exhaust flow efficiency, enhance turbo response, and deliver a more aggressive performance exhaust tone.\u003c\/p\u003e\n\u003cp\u003eFeaturing a one-piece construction design, these downpipes provide a direct and streamlined exhaust path from the factory twin-turbo system. Manufactured for performance-oriented S58 applications, they are ideal for tuned street vehicles, track builds, and upgraded turbo setups requiring increased exhaust flow capacity and reduced backpressure.\u003c\/p\u003e\n\u003ch5\u003e\u003cstrong\u003e \u003cspan style=\"text-decoration: underline;\"\u003e Features \u003c\/span\u003e \u003c\/strong\u003e\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eOne-Piece Catless Design: Provides a simplified exhaust path with reduced restriction compared with the factory catalytic converter system.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eImproved Exhaust Flow: Helps increase exhaust flow efficiency and support higher-performance S58 turbo applications.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eEnhanced Turbo Response: Reduced exhaust restriction helps improve turbocharger response and overall engine performance.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eAggressive Exhaust Tone: Delivers a deeper and more performance-oriented exhaust sound compared with the factory system.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eS58 Performance Upgrade: Designed specifically for BMW G-Series M vehicles using the S58 3.0T Twin-Turbo engine platform.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003e\u003cstrong\u003e \u003cspan style=\"text-decoration: underline;\"\u003e Fitment \u003c\/span\u003e \u003c\/strong\u003e\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e2021+ BMW G80 M3 S58 3.0T\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e2021+ BMW G80 M3 Competition S58 3.0T\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e2021+ BMW G80 M3 Competition xDrive S58 3.0T\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e2022+ BMW G81 M3 Touring Competition xDrive S58 3.0T\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e2021+ BMW G82 M4 Coupe S58 3.0T\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e2021+ BMW G82 M4 Competition S58 3.0T\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e2021+ BMW G82 M4 Competition xDrive S58 3.0T\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e2021+ BMW G83 M4 Convertible S58 3.0T\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e2021+ BMW G83 M4 Competition xDrive S58 3.0T\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003e\u003cstrong\u003e \u003cspan style=\"text-decoration: underline;\"\u003e Notes \u003c\/span\u003e \u003c\/strong\u003e\u003c\/h5\u003e\n\u003cp\u003e\u003cstrong\u003eCompatible Vehicle:\u003c\/strong\u003e Designed for selected BMW G80\/G81 M3 and G82\/G83 M4 models equipped with the S58 3.0L Twin-Turbo Inline-6 engine only.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIncompatible Vehicle:\u003c\/strong\u003e Not compatible with B58, S55, N55, B48, diesel, hybrid, naturally aspirated, or other engine platforms.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eVerify Vehicle:\u003c\/strong\u003e Please verify your vehicle year, chassis code, engine code, factory downpipe configuration, flange design, oxygen sensor locations, and exhaust connections before ordering.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eExhaust Configuration:\u003c\/strong\u003e Designed for BMW S58 factory-style exhaust layouts and compatible performance exhaust systems.\u003c\/p\u003e\n\u003cp\u003eExhaust layouts, sensor positions, flange designs, mounting points, and factory emissions equipment may vary by production date, model, market, and previous modifications. Please compare your original downpipes and all connection points with the product photos before installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEmissions Notice:\u003c\/strong\u003e These catless downpipes remove the factory catalytic converters and may trigger a check-engine light without compatible ECU software. They are intended for off-road, competition, or racing applications only and may not comply with public road emissions regulations.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eECU Tune Reminder:\u003c\/strong\u003e Compatible ECU tuning or calibration is strongly recommended after installation to properly manage oxygen sensor readings and optimize engine performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eProfessional Installation:\u003c\/strong\u003e Additional gaskets, seals, clamps, mounting hardware, heat shielding, or minor adjustment may be required depending on vehicle configuration, exhaust system, and previous modifications.\u003c\/p\u003e\n\u003ch5\u003e\u003cstrong\u003e \u003cspan style=\"text-decoration: underline;\"\u003e Product Details \u003c\/span\u003e \u003c\/strong\u003e\u003c\/h5\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse;\" cellspacing=\"0\" cellpadding=\"8\" border=\"1\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eKYOSTAR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eNA-DP-5061-SS-WG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eOne-Piece Catless Downpipes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVehicle Fitment\u003c\/td\u003e\n\u003ctd\u003e2021+ BMW G80 M3 \/ 2022+ G81 M3 Touring \/ 2021+ G82 G83 M4\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEngine\u003c\/td\u003e\n\u003ctd\u003eS58 3.0T Inline-Six Twin-Turbo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChassis\u003c\/td\u003e\n\u003ctd\u003eG80 \/ G81 \/ G82 \/ G83\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConfiguration\u003c\/td\u003e\n\u003ctd\u003eOne-Piece Catless Downpipe Design\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eOff-Road, Competition, Track, Tuned Builds, Upgraded Turbo Applications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBenefits\u003c\/td\u003e\n\u003ctd\u003eReduced Exhaust Restriction, Improved Turbo Response, Increased Exhaust Flow, Aggressive Exhaust Tone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eStainless Steel Construction\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExhaust Type\u003c\/td\u003e\n\u003ctd\u003eOne-Piece Catless Downpipe Set\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eO2 Sensor Port\u003c\/td\u003e\n\u003ctd\u003eIncluded\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage Includes\u003c\/td\u003e\n\u003ctd\u003eOne-Piece Catless Downpipe Set and Included Installation Components Shown in Product Photos\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCondition\u003c\/td\u003e\n\u003ctd\u003eBrand New\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch5\u003e\u003cstrong\u003e \u003cspan style=\"text-decoration: underline;\"\u003e FAQ \u003c\/span\u003e \u003c\/strong\u003e\u003c\/h5\u003e\n\u003ch5\u003e\u003cstrong\u003e Q1: Will this fit my vehicle? \u003c\/strong\u003e\u003c\/h5\u003e\n\u003cp\u003eThese KYOSTAR One-Piece Catless Downpipes are designed for BMW G80 M3, G81 M3 Touring, G82 M4, and G83 M4 models equipped with the S58 3.0L Twin-Turbo Inline-6 engine. Please confirm your chassis, production year, and factory exhaust configuration before purchase.\u003c\/p\u003e\n\u003ch5\u003e\u003cstrong\u003e Q2: Does installation require modification? \u003c\/strong\u003e\u003c\/h5\u003e\n\u003cp\u003eThe one-piece catless downpipes are designed for compatible BMW S58 exhaust configurations. Installation requirements may vary depending on vehicle setup, aftermarket modifications, and exhaust configuration. Professional installation is recommended.\u003c\/p\u003e\n\u003ch5\u003e\u003cstrong\u003e Q3: Will ECU tuning be required? \u003c\/strong\u003e\u003c\/h5\u003e\n\u003cp\u003eBecause these are catless downpipes, oxygen sensor-related warnings may occur after installation. ECU tuning or calibration is recommended to properly manage engine parameters and optimize performance.\u003c\/p\u003e\n\u003ch5\u003e\u003cstrong\u003e \u003cspan style=\"text-decoration: underline;\"\u003e Warranty \u0026amp; Shipping \u003c\/span\u003e \u003c\/strong\u003e\u003c\/h5\u003e\n\u003cp\u003eKYOSTAR products are inspected before shipment to ensure quality and reliability. Each exhaust component is securely packaged to prevent transportation damage. Please contact our support team if you need assistance with installation or product-related issues.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"KYOSTAR PERFORMANCE","offers":[{"title":"Ships from U.S. Warehouse","offer_id":53783600693521,"sku":"NA-DP-5061-SS-WG-1","price":340.0,"currency_code":"USD","in_stock":true},{"title":"Factory Direct Shipping","offer_id":53783600726289,"sku":"NA-DP-5061-SS-WG-2","price":320.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0919\/7361\/5889\/files\/NA-DP-5061-SS-WG_1.jpg?v=1784191203"},{"product_id":"kyostar-catless-downpipes-for-2020-bmw-f97-x3-m-f98-x4-m-s58-3-0t","title":"KYOSTAR Catless Downpipes for 2020+ BMW F97 X3 M F98 X4 M S58 3.0T","description":"\u003cdiv class=\"product-description\"\u003e\n\u003ch5\u003e\u003cstrong\u003eKYOSTAR Catless Downpipes for BMW F97 X3 M \u0026amp; F98 X4 M S58 3.0T \u003c\/strong\u003e\u003c\/h5\u003e\n\u003cp\u003eThe KYOSTAR Catless Downpipes are designed for BMW F97 X3 M and F98 X4 M models equipped with the S58 3.0T Twin-Turbo Inline-6 engine. These high-flow downpipes replace the restrictive factory catalytic converter sections to improve exhaust flow efficiency, reduce exhaust restriction, and enhance turbocharger response for performance-oriented BMW M SUV applications.\u003c\/p\u003e\n\u003cp\u003eFeaturing a catless dual downpipe design with optimized exhaust routing, these downpipes provide a more direct exhaust path from the S58 twin-turbo engine. Designed for tuned builds, track applications, and upgraded turbo setups, they deliver improved exhaust pulse flow and a more aggressive performance exhaust tone.\u003c\/p\u003e\n\u003ch5\u003e\u003cstrong\u003e \u003cspan style=\"text-decoration: underline;\"\u003e Features \u003c\/span\u003e \u003c\/strong\u003e\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003eHigh-Flow Catless Design: Replaces factory catalytic converters to reduce exhaust restriction and improve exhaust flow efficiency.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTurbo Response Advantage: Helps improve turbocharger response by providing a less restrictive exhaust path.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePerformance Exhaust Upgrade: Enhances exhaust pulse flow and delivers a deeper, more aggressive exhaust tone.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eS58 Performance Application: Designed specifically for BMW S58 3.0T Twin-Turbo performance SUV platforms.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eTuned Build Support: Suitable for track vehicles, competition applications, and modified turbo setups requiring increased exhaust flow capacity.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003e\u003cstrong\u003e \u003cspan style=\"text-decoration: underline;\"\u003e Fitment \u003c\/span\u003e \u003c\/strong\u003e\u003c\/h5\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp\u003e2020+ BMW F97 X3 M S58 3.0T\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e2020+ BMW F97 X3 M Competition S58 3.0T\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e2020+ BMW F98 X4 M S58 3.0T\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003e2020+ BMW F98 X4 M Competition S58 3.0T\u003c\/p\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch5\u003e\u003cstrong\u003e \u003cspan style=\"text-decoration: underline;\"\u003e Notes \u003c\/span\u003e \u003c\/strong\u003e\u003c\/h5\u003e\n\u003cp\u003e\u003cstrong\u003eCompatible Vehicle:\u003c\/strong\u003e Designed for selected BMW F97 X3 M and F98 X4 M models equipped with the S58 3.0L Twin-Turbo Inline-6 engine only.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eIncompatible Vehicle:\u003c\/strong\u003e Not compatible with standard X3\/X4 models, X3 M40i, X4 M40i, B58, B48, diesel, hybrid, or other engine applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eVerify Vehicle:\u003c\/strong\u003e Please verify your vehicle year, chassis code, engine code, factory downpipe layout, flange design, oxygen sensor locations, and exhaust connections before ordering.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eExhaust Configuration:\u003c\/strong\u003e Designed for BMW S58 factory-style exhaust layouts and compatible performance exhaust systems.\u003c\/p\u003e\n\u003cp\u003eExhaust layouts, sensor positions, flange designs, mounting points, and factory emissions equipment may vary by production date, model year, market, and previous modifications. Please compare your original downpipes and all connection points with the product photos before installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEmissions Notice:\u003c\/strong\u003e These catless downpipes remove the factory catalytic converters and may trigger a check-engine light without compatible ECU software. They are intended for off-road or competition applications only and may not comply with public road emissions regulations.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eECU Tune Reminder:\u003c\/strong\u003e Compatible ECU tuning or calibration is strongly recommended after installation to properly manage oxygen sensor readings and optimize engine performance.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eProfessional Installation:\u003c\/strong\u003e Additional gaskets, seals, clamps, mounting hardware, heat shielding, or minor adjustments may be required depending on vehicle configuration and existing exhaust modifications.\u003c\/p\u003e\n\u003ch5\u003e\u003cstrong\u003e \u003cspan style=\"text-decoration: underline;\"\u003e Product Details \u003c\/span\u003e \u003c\/strong\u003e\u003c\/h5\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse;\" cellspacing=\"0\" cellpadding=\"8\" border=\"1\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eKYOSTAR\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eNA-DP-5059-SS-WG\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eCatless Downpipes\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVehicle Fitment\u003c\/td\u003e\n\u003ctd\u003e2020+ BMW F97 X3 M \/ F98 X4 M\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eEngine\u003c\/td\u003e\n\u003ctd\u003eS58 3.0T Inline-Six Twin-Turbo\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eChassis\u003c\/td\u003e\n\u003ctd\u003eF97 \/ F98\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConfiguration\u003c\/td\u003e\n\u003ctd\u003eCatless Dual Downpipe Design\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eOff-Road, Competition, Track, Tuned Builds, Upgraded Turbo Applications\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBenefits\u003c\/td\u003e\n\u003ctd\u003eReduced Exhaust Restriction, Improved Turbo Response, Increased Exhaust Flow, Aggressive Exhaust Tone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eStainless Steel Construction\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExhaust Type\u003c\/td\u003e\n\u003ctd\u003eCatless Performance Downpipe Set\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eO2 Sensor Port\u003c\/td\u003e\n\u003ctd\u003eIncluded\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage Includes\u003c\/td\u003e\n\u003ctd\u003eCatless Downpipe Set and Included Installation Components Shown in Product Photos\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eCondition\u003c\/td\u003e\n\u003ctd\u003eBrand New\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003ch5\u003e\u003cstrong\u003e \u003cspan style=\"text-decoration: underline;\"\u003e FAQ \u003c\/span\u003e \u003c\/strong\u003e\u003c\/h5\u003e\n\u003ch5\u003e\u003cstrong\u003e Q1: Will this fit my vehicle? \u003c\/strong\u003e\u003c\/h5\u003e\n\u003cp\u003eThese KYOSTAR Catless Downpipes are designed for BMW F97 X3 M and F98 X4 M models equipped with the S58 3.0L Twin-Turbo Inline-6 engine. Please confirm your chassis, production year, and factory exhaust configuration before purchase.\u003c\/p\u003e\n\u003ch5\u003e\u003cstrong\u003e Q2: Does installation require modification? \u003c\/strong\u003e\u003c\/h5\u003e\n\u003cp\u003eThe downpipes are designed for compatible BMW S58 exhaust configurations. Installation requirements may vary depending on existing modifications, exhaust setup, and vehicle specifications. Professional installation is recommended.\u003c\/p\u003e\n\u003ch5\u003e\u003cstrong\u003e Q3: Will this require ECU tuning? \u003c\/strong\u003e\u003c\/h5\u003e\n\u003cp\u003eBecause these are catless downpipes, oxygen sensor-related warnings may occur after installation. ECU tuning or calibration is recommended to properly manage engine parameters and optimize performance.\u003c\/p\u003e\n\u003ch5\u003e\u003cstrong\u003e \u003cspan style=\"text-decoration: underline;\"\u003e Warranty \u0026amp; Shipping \u003c\/span\u003e \u003c\/strong\u003e\u003c\/h5\u003e\n\u003cp\u003eKYOSTAR products are inspected before shipment to ensure quality and reliability. Each exhaust component is securely packaged to prevent transportation damage. Please contact our support team if you need assistance with installation or product-related issues.\u003c\/p\u003e\n\u003c\/div\u003e","brand":"KYOSTAR","offers":[{"title":"Ships from U.S. Warehouse","offer_id":53783620059409,"sku":"NA-DP-5059-SS-WG","price":340.0,"currency_code":"USD","in_stock":false},{"title":"Factory Direct Shipping","offer_id":53801117974801,"sku":"NA-DP-5059-SS-WG","price":360.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0919\/7361\/5889\/files\/NA-DP-5059-SS-WG_1.jpg?v=1784191417"},{"product_id":"kyostar-4-5-catless-downpipe-for-2016-2022-bmw-f22-f30-f32-m240i-m340i-m440i-b58-3-0t","title":"KYOSTAR 4.5\" Catless Downpipe for 2016-2022 BMW F22 F30 F32 M240i M340i M440i B58 3.0T","description":"\u003ch5\u003e\n\u003cstrong\u003e\nKYOSTAR 4.5\" Catless Downpipe for 2016-2022 BMW F22 F30 F32 M240i M340i M440i B58 3.0T\n\u003c\/strong\u003e\n\u003c\/h5\u003e\n\n\u003cp\u003e\nThe KYOSTAR 4.5\" Catless Downpipe is designed for BMW F-Series and G-Series models equipped with the B58 3.0T turbocharged inline-six engine. Featuring a large 4.5-inch high-flow pipe design, this downpipe reduces factory exhaust restriction, improves exhaust flow, and helps enhance turbo response under increased boost conditions.\n\u003c\/p\u003e\n\n\u003cp\u003e\nManufactured from durable stainless steel with optimized exhaust routing, this performance downpipe improves exhaust pulse flow and delivers a more aggressive turbo exhaust tone. Designed for modified BMW B58 applications, ECU tuning is recommended after installation to properly optimize engine performance and manage oxygen sensor readings.\n\u003c\/p\u003e\n\n\u003ch5\u003e\n\u003cstrong\u003e\n\u003cspan style=\"text-decoration: underline;\"\u003e\nFeatures\n\u003c\/span\u003e\n\u003c\/strong\u003e\n\u003c\/h5\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e\n\u003cp\u003e\nLarge 4.5-inch high-flow design reduces exhaust restriction and improves overall exhaust flow efficiency.\n\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003e\nEnhances turbo response and exhaust pulse flow for BMW B58 3.0T turbocharged engines.\n\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003e\nManufactured from durable stainless steel for reliable performance under high exhaust temperatures.\n\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003e\nOptimized exhaust routing provides improved airflow characteristics for modified BMW B58 platforms.\n\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003e\nCreates a deeper and more aggressive turbo exhaust tone compared with the factory exhaust system.\n\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003c\/ul\u003e\n\n\u003ch5\u003e\n\u003cstrong\u003e\n\u003cspan style=\"text-decoration: underline;\"\u003e\nFitment\n\u003c\/span\u003e\n\u003c\/strong\u003e\n\u003c\/h5\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e\n\u003cp\u003e\n2016-2022 BMW F22 M240i B58 3.0T\n\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003e\n2016-2022 BMW F23 M240i B58 3.0T\n\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003e\n2016-2019 BMW F30 M340i B58 3.0T\n\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003e\n2016-2019 BMW F31 M340i B58 3.0T\n\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003e\n2017-2020 BMW F32 M440i B58 3.0T\n\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003e\n2017-2020 BMW F33 M440i B58 3.0T\n\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003e\n2017-2020 BMW F36 M440i B58 3.0T\n\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003e\n2017-2022 BMW G30 540i B58 3.0T\n\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003e\n2018-2022 BMW G32 640i GT B58 3.0T\n\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003e\n2016-2022 BMW G11 G12 740i B58 3.0T\n\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003e\n2018-2022 BMW G14 G15 840i B58 3.0T\n\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003c\/ul\u003e\n\n\u003ch5\u003e\n\u003cstrong\u003e\n\u003cspan style=\"text-decoration: underline;\"\u003e\nNotes\n\u003c\/span\u003e\n\u003c\/strong\u003e\n\u003c\/h5\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eCompatible Vehicle:\u003c\/strong\u003e Designed for BMW M240i, M340i, M440i, 540i, 640i, 740i, and 840i models equipped with the B58 3.0T Turbo L6 engine.\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eIncompatible Vehicle:\u003c\/strong\u003e Not compatible with N55, S55, S58, B58TU, or other engine platforms.\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eVerify Vehicle:\u003c\/strong\u003e Please confirm your vehicle year, chassis code, engine configuration, turbo outlet connection, exhaust mounting points, O2 sensor locations, and exhaust setup before ordering.\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Professional installation is recommended. Because this is a catless downpipe, ECU tuning or calibration may be required to optimize engine performance and properly manage oxygen sensor-related parameters.\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eImportant:\u003c\/strong\u003e Removing the factory catalytic converter may trigger a check engine light. This product is intended for off-road and racing applications only where permitted. Please check local emissions regulations before installation.\n\u003c\/p\u003e\n\n\u003ch5\u003e\n\u003cstrong\u003e\n\u003cspan style=\"text-decoration: underline;\"\u003e\nProduct Details\n\u003c\/span\u003e\n\u003c\/strong\u003e\n\u003c\/h5\u003e\n\n\u003ctable style=\"width: 100%; border-collapse: collapse;\" cellspacing=\"0\" cellpadding=\"8\" border=\"1\"\u003e\n\n\u003ctbody\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eKYOSTAR\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eKD5S037WG\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eCatless Downpipe\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eVehicle Fitment\u003c\/td\u003e\n\u003ctd\u003eBMW M240i \/ M340i \/ M440i \/ 540i \/ 640i \/ 740i \/ 840i\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eEngine\u003c\/td\u003e\n\u003ctd\u003eB58 3.0T Turbo L6\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eChassis\u003c\/td\u003e\n\u003ctd\u003eF22 \/ F23 \/ F30 \/ F31 \/ F32 \/ F33 \/ F36 \/ G30 \/ G32 \/ G11 \/ G12 \/ G14 \/ G15\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eBMW B58 Turbo Exhaust Upgrade\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eStainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eBenefits\u003c\/td\u003e\n\u003ctd\u003eImproved Exhaust Flow, Reduced Backpressure, Faster Turbo Response, Enhanced Exhaust Tone\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eExhaust Type\u003c\/td\u003e\n\u003ctd\u003e4.5\" Catless Downpipe\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003ePipe Diameter\u003c\/td\u003e\n\u003ctd\u003e4.5 Inch\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eO2 Sensor Port\u003c\/td\u003e\n\u003ctd\u003eIncluded\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003ePackage Includes\u003c\/td\u003e\n\u003ctd\u003eCatless Downpipe, Gaskets, Mounting Hardware\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eCondition\u003c\/td\u003e\n\u003ctd\u003eBrand New\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003c\/tbody\u003e\n\n\u003c\/table\u003e\n\n\u003ch5\u003e\n\u003cstrong\u003e\n\u003cspan style=\"text-decoration: underline;\"\u003e\nFAQ\n\u003c\/span\u003e\n\u003c\/strong\u003e\n\u003c\/h5\u003e\n\n\u003ch5\u003e\n\u003cstrong\u003e\nQ1: Will this fit my vehicle?\n\u003c\/strong\u003e\n\u003c\/h5\u003e\n\n\u003cp\u003e\nThis 4.5\" catless downpipe is designed for BMW M240i, M340i, M440i, 540i, 640i, 740i, and 840i models equipped with the B58 3.0T engine. Please confirm your chassis, production year, and engine configuration before purchase.\n\u003c\/p\u003e\n\n\u003ch5\u003e\n\u003cstrong\u003e\nQ2: Does installation require modification?\n\u003c\/strong\u003e\n\u003c\/h5\u003e\n\n\u003cp\u003e\nThe KYOSTAR 4.5\" Catless Downpipe is designed with optimized exhaust routing for compatible BMW B58 applications. Professional installation is recommended for proper alignment and exhaust sealing.\n\u003c\/p\u003e\n\n\u003ch5\u003e\n\u003cstrong\u003e\nQ3: Does this require ECU tuning?\n\u003c\/strong\u003e\n\u003c\/h5\u003e\n\n\u003cp\u003e\nECU tuning or calibration may be required after installing a catless downpipe to properly manage oxygen sensor-related changes, optimize engine parameters, and improve overall performance.\n\u003c\/p\u003e\n\n\u003ch5\u003e\n\u003cstrong\u003e\nQ4: What performance benefits does this provide?\n\u003c\/strong\u003e\n\u003c\/h5\u003e\n\n\u003cp\u003e\nThe KYOSTAR 4.5\" Catless Downpipe improves exhaust flow efficiency, reduces factory exhaust restriction, enhances turbocharger response, and delivers a more aggressive turbo exhaust tone for BMW B58 3.0T turbocharged applications.\n\u003c\/p\u003e\n\n\u003cp\u003e\nProfessional installation is recommended.\n\u003c\/p\u003e\n\n\u003cp\u003e\nKYOSTAR products are quality inspected before shipment. Please contact our support team for installation assistance or after-sales support.\n\u003c\/p\u003e","brand":"KYOSTAR","offers":[{"title":"Ships from U.S. Warehouse","offer_id":53801210020113,"sku":"KD5S037WG-1","price":279.99,"currency_code":"USD","in_stock":true},{"title":"Factory Direct Shipping","offer_id":53801210052881,"sku":"KD5S037WG-2","price":299.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0919\/7361\/5889\/files\/KD5S037WG_2.jpg?v=1784711972"},{"product_id":"kyostar-4-catless-casted-downpipe-for-2015-2021-vw-golf-mk7-mk7-5-gti-audi-a3-ea888-1-8t-2-0t","title":"KYOSTAR 4\" Catless Casted Downpipe for 2015-2021 VW Golf MK7 MK7.5 GTI Audi A3 EA888 1.8T 2.0T","description":"\u003ch5\u003e\n\u003cspan style=\"text-decoration: underline;\"\u003e\n\u003cstrong\u003e\nKYOSTAR 4\" Catless Casted Downpipe for VW Golf MK7 MK7.5 GTI Audi A3 EA888 1.8T 2.0T Engine\n\u003c\/strong\u003e\n\u003c\/span\u003e\n\u003c\/h5\u003e\n\n\u003cp\u003e\nThe KYOSTAR 4\" Catless Casted Downpipe is designed for Volkswagen and Audi vehicles equipped with EA888 turbocharged engines, including VW Golf MK7\/MK7.5 GTI, Audi A3 8V, and VW GLI applications. Developed as a performance exhaust upgrade, this downpipe improves exhaust flow efficiency by reducing factory exhaust restrictions and providing a smoother path for increased turbocharged engine performance.\n\u003c\/p\u003e\n\n\u003cp\u003e\nFeaturing a large 4-inch casted design, the KYOSTAR catless downpipe provides improved airflow capacity, enhanced durability, and better heat resistance for modified EA888 1.8T and 2.0T builds. This upgrade delivers a more aggressive exhaust tone and supports vehicles looking for improved exhaust performance for street driving and performance applications.\n\u003c\/p\u003e\n\n\u003ch5\u003e\n\u003cstrong\u003e\n\u003cspan style=\"text-decoration: underline;\"\u003e\nFeatures\n\u003c\/span\u003e\n\u003c\/strong\u003e\n\u003c\/h5\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e\n\u003cp\u003e\n4-inch exhaust piping design improves exhaust flow efficiency and reduces backpressure.\n\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003e\nCatless configuration removes factory catalytic restriction for improved turbocharger exhaust flow.\n\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003e\nCasted construction provides increased strength, durability, and heat resistance under demanding conditions.\n\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003e\nDesigned specifically for VW and Audi EA888 1.8T and 2.0T turbocharged engine applications.\n\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003e\nIdeal exhaust performance upgrade for MQB platform street builds and modified vehicles.\n\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003c\/ul\u003e\n\n\u003ch5\u003e\n\u003cstrong\u003e\n\u003cspan style=\"text-decoration: underline;\"\u003e\nFitment\n\u003c\/span\u003e\n\u003c\/strong\u003e\n\u003c\/h5\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e\n\u003cp\u003e\n2015-2021 VW Golf MK7 GTI EA888 2.0T\n\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003e\n2015-2021 VW Golf MK7.5 GTI EA888 2.0T\n\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003e\n2015-2020 Audi A3 8V EA888 1.8T \/ 2.0T\n\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003e\n2019+ VW GLI EA888 2.0T\n\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003c\/ul\u003e\n\n\u003ch5\u003e\n\u003cstrong\u003e\n\u003cspan style=\"text-decoration: underline;\"\u003e\nNotes\n\u003c\/span\u003e\n\u003c\/strong\u003e\n\u003c\/h5\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eCompatible Vehicle:\u003c\/strong\u003e Designed for selected VW and Audi MQB platform vehicles equipped with EA888 1.8T and 2.0T turbocharged engines.\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eIncompatible Vehicle:\u003c\/strong\u003e Not compatible with non-EA888 engine platforms or vehicles with different exhaust configurations.\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eVerify Vehicle:\u003c\/strong\u003e Please confirm your vehicle Year, Model, Engine Code, and exhaust configuration before ordering.\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Professional installation is recommended. ECU tuning may be required to optimize performance and manage emissions-related changes after installing a catless downpipe.\n\u003c\/p\u003e\n\n\u003ch5\u003e\n\u003cstrong\u003e\n\u003cspan style=\"text-decoration: underline;\"\u003e\nProduct Details\n\u003c\/span\u003e\n\u003c\/strong\u003e\n\u003c\/h5\u003e\n\n\u003ctable style=\"width: 100%; border-collapse: collapse;\" cellspacing=\"0\" cellpadding=\"8\" border=\"1\"\u003e\n\n\u003ctbody\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eKYOSTAR\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eNA-DP-5038-CA-WG\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eCatless Casted Downpipe\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eVehicle Fitment\u003c\/td\u003e\n\u003ctd\u003eVW Golf MK7\/MK7.5 GTI \/ Audi A3 8V \/ VW GLI\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eEngine\u003c\/td\u003e\n\u003ctd\u003eEA888 1.8T \/ 2.0T Turbocharged\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eChassis\u003c\/td\u003e\n\u003ctd\u003eMQB Platform\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eVW\/Audi Turbo Performance Exhaust Upgrade\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eStainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eBenefits\u003c\/td\u003e\n\u003ctd\u003eImproved Exhaust Flow, Reduced Restriction, Enhanced Turbo Response, Aggressive Exhaust Sound\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003ePackage Includes\u003c\/td\u003e\n\u003ctd\u003e4\" Catless Downpipe, Installation Hardware\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eCondition\u003c\/td\u003e\n\u003ctd\u003eBrand New\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003c\/tbody\u003e\n\n\u003c\/table\u003e\n\n\u003ch5\u003e\n\u003cstrong\u003e\n\u003cspan style=\"text-decoration: underline;\"\u003e\nFAQ\n\u003c\/span\u003e\n\u003c\/strong\u003e\n\u003c\/h5\u003e\n\n\u003ch5\u003e\n\u003cstrong\u003e\nQ1: Will this fit my vehicle?\n\u003c\/strong\u003e\n\u003c\/h5\u003e\n\n\u003cp\u003e\nThe KYOSTAR 4\" Catless Casted Downpipe is designed for VW Golf MK7\/MK7.5 GTI, Audi A3 8V, and VW GLI models equipped with EA888 1.8T or 2.0T engines. Please confirm your vehicle Year, Chassis, and Engine before purchase.\n\u003c\/p\u003e\n\n\u003ch5\u003e\n\u003cstrong\u003e\nQ2: Does installation require modification?\n\u003c\/strong\u003e\n\u003c\/h5\u003e\n\n\u003cp\u003e\nThis downpipe is designed as a direct performance upgrade using factory-style mounting locations. Professional installation is recommended to ensure proper fitment and sealing.\n\u003c\/p\u003e\n\n\u003ch5\u003e\n\u003cstrong\u003e\nQ3: Does this require ECU tuning?\n\u003c\/strong\u003e\n\u003c\/h5\u003e\n\n\u003cp\u003e\nECU tuning is recommended after installing a catless downpipe to optimize engine performance and properly calibrate the vehicle for the reduced exhaust restriction.\n\u003c\/p\u003e\n\n\u003ch5\u003e\n\u003cstrong\u003e\nQ4: What performance benefits does this provide?\n\u003c\/strong\u003e\n\u003c\/h5\u003e\n\n\u003cp\u003e\nThe KYOSTAR downpipe improves exhaust flow efficiency, reduces factory exhaust restriction, enhances turbocharger response, and provides a more aggressive exhaust tone for VW and Audi EA888 turbocharged applications.\n\u003c\/p\u003e\n\n\u003cp\u003e\nProfessional installation is recommended.\n\u003c\/p\u003e\n\n\u003cp\u003e\nKYOSTAR products are quality inspected before shipment. Please contact our support team for installation assistance or after-sales support.\n\u003c\/p\u003e","brand":"KYOSTAR","offers":[{"title":"Ships from U.S. Warehouse","offer_id":54036096057617,"sku":"NA-DP-5038-CA-WG-2","price":320.0,"currency_code":"USD","in_stock":false},{"title":"Factory Direct Shipping","offer_id":54036096024849,"sku":"NA-DP-5038-CA-WG-1","price":320.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0919\/7361\/5889\/files\/NA-DP-5038-CA-WG_3.jpg?v=1785136026"},{"product_id":"kyostar-catless-downpipes-for-infiniti-q50-q60-nissan-z-vr30ddtt-3-0t-twin-turbo","title":"KYOSTAR Catless Downpipes for Infiniti Q50 Q60 Nissan Z VR30DDTT 3.0T Twin Turbo","description":"\u003cdiv class=\"product-description\"\u003e\n\n\u003ch5\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003eKYOSTAR Catless Downpipes for Infiniti Q50 Q60 Nissan Z VR30DDTT 3.0T Twin Turbo\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h5\u003e\n\n\u003cp\u003e\nUpgrade your Infiniti Q50, Infiniti Q60, or Nissan Z equipped with the VR30DDTT 3.0L Twin-Turbo V6 engine with the KYOSTAR Catless Exhaust Downpipe Kit. Designed to replace the restrictive factory downpipe sections, this performance exhaust upgrade provides a more direct exhaust path for improved flow and a more aggressive turbocharged exhaust sound.\n\u003c\/p\u003e\n\n\u003cp\u003e\nThe catless configuration eliminates the catalytic converter restriction within the downpipe section, helping exhaust gases exit the turbochargers more efficiently. Constructed from stainless steel with precision-formed piping and vehicle-specific mounting points, the system is designed for performance-oriented VR30DDTT applications.\n\u003c\/p\u003e\n\n\n\u003ch5\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h5\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e\n\u003cp\u003eCatless performance downpipe kit designed for VR30DDTT 3.0L Twin-Turbo V6 applications.\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003eFree-flowing catless design reduces exhaust restriction compared with the factory catalytic downpipe configuration.\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003eDual-pipe configuration designed to work with the twin-turbo exhaust layout of the VR30DDTT engine.\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003eStainless steel construction provides excellent heat resistance, corrosion resistance, and long-term durability.\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003eOptimized exhaust routing helps improve exhaust flow from the turbochargers.\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003eProvides a louder, sharper, and more aggressive turbocharged exhaust tone.\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003eDesigned for selected Infiniti Q50, Q60, and Nissan Z performance applications.\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003c\/ul\u003e\n\n\n\u003ch5\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h5\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e\n\u003cp\u003e2016+ Infiniti Q50 — VR30DDTT 3.0L Twin-Turbo V6\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003e2017+ Infiniti Q60 — VR30DDTT 3.0L Twin-Turbo V6\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003e2023+ Nissan Z — VR30DDTT 3.0L Twin-Turbo V6\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003c\/ul\u003e\n\n\n\u003ch5\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e\u003c\/h5\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e\n\u003cp\u003eThis product uses a catless configuration and does not contain catalytic converters.\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003eDesigned specifically for selected vehicles equipped with the VR30DDTT 3.0L Twin-Turbo V6 engine.\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003ePlease verify your vehicle year, model, engine code, turbocharger configuration, and original exhaust layout before purchase.\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003eInstallation of catless downpipes may trigger a check engine light depending on vehicle calibration and emissions monitoring configuration.\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003eThis product may not comply with emissions regulations for public-road use in some regions. Please check applicable local regulations before purchase and installation.\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003c\/ul\u003e\n\n\n\u003ch5\u003e\u003cstrong\u003eFitment Note:\u003c\/strong\u003e\u003c\/h5\u003e\n\n\u003cp\u003e\nExhaust and emissions configurations may vary depending on vehicle production year, market specification, factory emissions equipment, and previous modifications. Please compare the original downpipe layout, flange connections, sensor locations, mounting points, pipe routing, and exhaust connections with the product photos before installation.\n\u003c\/p\u003e\n\n\u003cp\u003e\nVehicles equipped with aftermarket turbochargers, exhaust systems, engine modifications, or other performance components may require additional fitment verification or installation adjustments.\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eProfessional installation is recommended.\u003c\/strong\u003e Proper exhaust alignment, flange sealing, sensor installation, fastener torque, and leak testing are required to ensure reliable operation.\n\u003c\/p\u003e\n\n\n\u003ch5\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eProduct Details\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h5\u003e\n\n\u003ctable style=\"width: 100%; border-collapse: collapse;\" cellspacing=\"0\" cellpadding=\"8\" border=\"1\"\u003e\n\n\u003ctbody\u003e\n\n\u003ctr\u003e\n\u003cth\u003eItem\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eKYOSTAR\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eNA-DP-5047-SS-WG\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eCatless Exhaust Downpipe Kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eVehicle Fitment\u003c\/td\u003e\n\u003ctd\u003eInfiniti Q50 \/ Infiniti Q60 \/ Nissan Z\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eYear\u003c\/td\u003e\n\u003ctd\u003e2016+ Q50 \/ 2017+ Q60 \/ 2023+ Nissan Z\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eEngine\u003c\/td\u003e\n\u003ctd\u003eVR30DDTT 3.0L Twin-Turbo V6\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eStainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eExhaust Type\u003c\/td\u003e\n\u003ctd\u003eCatless Performance Downpipe\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eConfiguration\u003c\/td\u003e\n\u003ctd\u003eDual Downpipe System\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eCatalytic Converter\u003c\/td\u003e\n\u003ctd\u003eNone \/ Catless\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eBenefits\u003c\/td\u003e\n\u003ctd\u003eReduced Exhaust Restriction, Improved Exhaust Flow, Enhanced Turbo Sound, More Aggressive Exhaust Tone\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003ePackage Includes\u003c\/td\u003e\n\u003ctd\u003eLeft And Right Downpipes, Gaskets And Installation Hardware As Shown\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eCondition\u003c\/td\u003e\n\u003ctd\u003eBrand New\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003c\/tbody\u003e\n\n\u003c\/table\u003e\n\n\n\u003ch5\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eFAQ\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h5\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eQ: Will these downpipes fit my Infiniti Q50?\u003c\/strong\u003e\u003cbr\u003e\nA: The supplied fitment information includes 2016+ Infiniti Q50 models equipped with the VR30DDTT 3.0L Twin-Turbo V6 engine. Please verify your engine and original exhaust configuration before ordering.\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eQ: Will these fit the Infiniti Q60?\u003c\/strong\u003e\u003cbr\u003e\nA: The supplied fitment information includes 2017+ Infiniti Q60 models equipped with the VR30DDTT 3.0L Twin-Turbo V6 engine.\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eQ: Will these downpipes fit the new Nissan Z?\u003c\/strong\u003e\u003cbr\u003e\nA: Yes. The supplied fitment information includes 2023+ Nissan Z models equipped with the VR30DDTT 3.0L Twin-Turbo V6 engine.\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eQ: Are these downpipes catless?\u003c\/strong\u003e\u003cbr\u003e\nA: Yes. This is a catless downpipe configuration and does not contain catalytic converters.\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eQ: Will the exhaust become louder?\u003c\/strong\u003e\u003cbr\u003e\nA: Yes. Removing the restrictive factory catalytic downpipe sections generally produces a louder and more aggressive exhaust tone while making turbocharger sound more noticeable.\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eQ: Can a check engine light appear after installation?\u003c\/strong\u003e\u003cbr\u003e\nA: Yes. A catless downpipe may trigger emissions-related diagnostic codes or a check engine light depending on the vehicle calibration and emissions monitoring system.\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eQ: Is ECU tuning required?\u003c\/strong\u003e\u003cbr\u003e\nA: Tuning requirements are not specified in the supplied product information. Depending on vehicle configuration, emissions monitoring, and other modifications, additional calibration may be required.\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eQ: Is professional installation recommended?\u003c\/strong\u003e\u003cbr\u003e\nA: Yes. Professional installation is recommended to ensure correct exhaust alignment, proper sensor installation, secure flange connections, and leak-free operation.\n\u003c\/p\u003e\n\n\n\u003ch5\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eWarranty \u0026amp; Shipping\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h5\u003e\n\n\u003cp\u003e\nEvery KYOSTAR exhaust component is inspected before shipment to ensure product condition, weld quality, flange condition, pipe alignment, included hardware, and packaging integrity before delivery.\n\u003c\/p\u003e\n\n\u003cp\u003e\nAll components are securely packaged to help reduce the risk of transportation damage. Please inspect the package and exhaust components after delivery and contact our support team if you notice missing components, shipping damage, or product-related concerns.\n\u003c\/p\u003e\n\n\u003cp\u003e\nPlease contact KYOSTAR customer support if you need assistance with vehicle fitment, installation questions, missing components, or after-sales service.\n\u003c\/p\u003e\n\n\u003c\/div\u003e","brand":"KYOSTAR","offers":[{"title":"Ships from U.S. Warehouse","offer_id":54257041899793,"sku":"NA-DP-5047-SS-WG-1","price":549.99,"currency_code":"USD","in_stock":false},{"title":"Factory Direct Shipping","offer_id":54257041932561,"sku":"NA-DP-5047-SS-WG-2","price":599.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0919\/7361\/5889\/files\/NA-DP-5047-SS-WG_1.jpg?v=1786958964"},{"product_id":"kyostar-exhaust-downpipes-for-2015-2023-mercedes-amg-w205-c63-c63s-m177-4-0tt-v8-html-product-description","title":"KYOSTAR Exhaust Downpipes for 2015-2023 Mercedes-AMG W205 C63 C63S M177 4.0TT V8  HTML Product Description","description":"\u003cdiv class=\"product-description\"\u003e\n\n\u003ch5\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003eKYOSTAR Exhaust Downpipes for 2015-2023 Mercedes-AMG W205 C63 C63S M177 4.0TT V8\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h5\u003e\n\n\u003cp\u003e\nUpgrade your 2015-2023 Mercedes-AMG W205 C63 or C63S equipped with the M177 LS1 4.0L Twin-Turbo V8 engine with the KYOSTAR Performance Exhaust Downpipe Kit. Designed as a performance-oriented replacement for the factory downpipe sections, this system provides a more direct exhaust path from the turbochargers and supports improved exhaust flow for high-performance AMG applications.\n\u003c\/p\u003e\n\n\u003cp\u003e\nThe dual downpipe configuration is designed around the twin-turbo layout of the M177 V8 engine and provides a vehicle-specific exhaust routing solution for the W205 C63 and C63S platform. The upgraded exhaust path helps reduce restriction in the factory downpipe section while delivering a more aggressive turbocharged exhaust character.\n\u003c\/p\u003e\n\n\n\u003ch5\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h5\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e\n\u003cp\u003ePerformance exhaust downpipe kit designed specifically for Mercedes-AMG W205 C63 and C63S applications.\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003eDual downpipe configuration matches the twin-turbo exhaust layout of the M177 LS1 4.0TT V8 engine.\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003ePerformance-oriented exhaust routing helps reduce restriction in the factory downpipe section.\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003eDesigned to support improved exhaust flow from the turbochargers.\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003eEnhances turbocharged exhaust sound for a more aggressive AMG performance character.\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003eVehicle-specific pipe routing and connection points are designed for the W205 C63 \/ C63S platform.\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003eSuitable for street performance and modified Mercedes-AMG applications.\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003c\/ul\u003e\n\n\n\u003ch5\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h5\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e\n\u003cp\u003e2015-2023 Mercedes-AMG W205 C63 — M177 LS1 4.0TT V8\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003e2015-2023 Mercedes-AMG W205 C63S — M177 LS1 4.0TT V8\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003c\/ul\u003e\n\n\n\u003ch5\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e\u003c\/h5\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e\n\u003cp\u003eDesigned for selected Mercedes-AMG W205 C63 and C63S models equipped with the M177 LS1 4.0L Twin-Turbo V8 engine.\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003eThe supplied product information does not specify whether this downpipe kit is catted or catless. Please confirm the exact configuration before purchase if this specification is important for your application.\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003ePlease verify your vehicle production year, chassis code, engine code, turbocharger configuration, original downpipe layout, sensor locations, and exhaust connection points before ordering.\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003eExhaust and emissions configurations may vary depending on market specification and production year.\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003c\/ul\u003e\n\n\n\u003ch5\u003e\u003cstrong\u003eFitment Note:\u003c\/strong\u003e\u003c\/h5\u003e\n\n\u003cp\u003e\nMercedes-AMG W205 C63 and C63S exhaust configurations may vary depending on production year, regional specification, factory emissions equipment, turbocharger configuration, and previous aftermarket modifications. Please compare the original downpipe routing, turbocharger outlet connections, oxygen sensor locations, mounting points, exhaust flanges, and surrounding components with the product photos before installation.\n\u003c\/p\u003e\n\n\u003cp\u003e\nVehicles equipped with aftermarket turbochargers, midpipes, catback exhaust systems, or other modified exhaust components may require additional fitment verification or installation adjustment.\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eProfessional installation is recommended.\u003c\/strong\u003e Proper flange alignment, exhaust sealing, sensor installation, fastener torque, clearance inspection, and leak testing should be performed to ensure correct fitment and reliable operation.\n\u003c\/p\u003e\n\n\n\u003ch5\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eProduct Details\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h5\u003e\n\n\u003ctable style=\"width: 100%; border-collapse: collapse;\" cellspacing=\"0\" cellpadding=\"8\" border=\"1\"\u003e\n\n\u003ctbody\u003e\n\n\u003ctr\u003e\n\u003cth\u003eItem\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eKYOSTAR\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eNA-DP-5002-CC-CR\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003ePerformance Exhaust Downpipe Kit\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eVehicle Fitment\u003c\/td\u003e\n\u003ctd\u003eMercedes-AMG W205 C63 \/ C63S\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eYear\u003c\/td\u003e\n\u003ctd\u003e2015-2023\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eEngine\u003c\/td\u003e\n\u003ctd\u003eM177 LS1 4.0L Twin-Turbo V8\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eChassis\u003c\/td\u003e\n\u003ctd\u003eW205\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eConfiguration\u003c\/td\u003e\n\u003ctd\u003eDual Downpipe System\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eExhaust Type\u003c\/td\u003e\n\u003ctd\u003ePerformance Turbo Downpipe Upgrade\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eStreet And Performance Exhaust Upgrade\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eBenefits\u003c\/td\u003e\n\u003ctd\u003eImproved Exhaust Flow, Reduced Downpipe Restriction, Enhanced Turbo Exhaust Sound, Performance Upgrade\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003ePackage Includes\u003c\/td\u003e\n\u003ctd\u003eLeft And Right Downpipes, Gaskets, Clamps And Installation Hardware As Shown\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eCondition\u003c\/td\u003e\n\u003ctd\u003eBrand New\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003c\/tbody\u003e\n\n\u003c\/table\u003e\n\n\n\u003ch5\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eFAQ\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h5\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eQ: Will these downpipes fit my Mercedes-AMG W205 C63?\u003c\/strong\u003e\u003cbr\u003e\nA: The supplied fitment information includes 2015-2023 Mercedes-AMG W205 C63 models equipped with the M177 LS1 4.0L Twin-Turbo V8 engine. Please verify your original exhaust configuration before ordering.\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eQ: Will these fit the Mercedes-AMG C63S?\u003c\/strong\u003e\u003cbr\u003e\nA: Yes. The supplied fitment information includes W205 C63S applications equipped with the M177 LS1 4.0TT V8 engine.\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eQ: Are these downpipes catted or catless?\u003c\/strong\u003e\u003cbr\u003e\nA: The supplied product information does not clearly specify whether this SKU uses catalytic converters. Please confirm the exact configuration before purchase.\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eQ: What does the downpipe kit replace?\u003c\/strong\u003e\u003cbr\u003e\nA: The kit replaces the factory downpipe sections located between the turbocharger outlets and the downstream exhaust system.\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eQ: Will the exhaust sound change after installation?\u003c\/strong\u003e\u003cbr\u003e\nA: Yes. A performance downpipe configuration generally provides a stronger and more aggressive turbocharged exhaust character by reducing restriction in the factory downpipe section.\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eQ: Can this kit be used with an aftermarket catback exhaust?\u003c\/strong\u003e\u003cbr\u003e\nA: Compatibility may depend on the connection points and exhaust layout of the aftermarket system. Please verify all dimensions and connections before installation.\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eQ: Is ECU tuning required?\u003c\/strong\u003e\u003cbr\u003e\nA: ECU tuning requirements are not specified in the supplied product information. Requirements may vary depending on the exact downpipe configuration, vehicle calibration, emissions equipment, and other performance modifications.\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eQ: Is professional installation recommended?\u003c\/strong\u003e\u003cbr\u003e\nA: Yes. Professional installation is recommended to ensure correct turbo outlet alignment, secure flange connections, proper sensor installation, adequate clearance, and leak-free operation.\n\u003c\/p\u003e\n\n\n\u003ch5\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eWarranty \u0026amp; Shipping\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h5\u003e\n\n\u003cp\u003e\nEvery KYOSTAR exhaust component is inspected before shipment to ensure product condition, pipe alignment, flange condition, connection points, included hardware, and packaging integrity before delivery.\n\u003c\/p\u003e\n\n\u003cp\u003e\nAll components are securely packaged to help reduce the risk of transportation damage. Please inspect the package and exhaust components after delivery and contact our support team if you notice missing components, shipping damage, or product-related concerns.\n\u003c\/p\u003e\n\n\u003cp\u003e\nPlease contact KYOSTAR customer support if you need assistance with vehicle fitment, installation questions, product configuration, missing components, or after-sales service.\n\u003c\/p\u003e\n\n\u003c\/div\u003e","brand":"KYOSTAR PERFORMANCE","offers":[{"title":"Ships from U.S. Warehouse","offer_id":54268262023441,"sku":"NA-DP-5002-CC-CR-1","price":768.0,"currency_code":"USD","in_stock":false},{"title":"Factory Direct Shipping","offer_id":54268262056209,"sku":"NA-DP-5002-CC-CR-2","price":788.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0919\/7361\/5889\/files\/NA-DP-5002-CC-CR_3.jpg?v=1787023035"},{"product_id":"kyostar-catless-downpipes-for-2019-porsche-911-992-carrera-s-4s-targa-4-4s-3-0t","title":"KYOSTAR Catless Downpipes for 2019+ Porsche 911 992 Carrera S 4S Targa 4 4S 3.0T","description":"\u003cdiv class=\"product-description\"\u003e\n\n\u003ch5\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003eKYOSTAR Catless Downpipes for 2019+ Porsche 911 992 Carrera S 4S Targa 4 4S 3.0T\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h5\u003e\n\n\u003cp\u003e\nUpgrade your 2019+ Porsche 911 992 equipped with the 3.0T engine with the KYOSTAR Catless Downpipe Set. Designed for selected Carrera, Carrera 4, Carrera S, Carrera 4S, Targa 4, and Targa 4S applications, this performance exhaust upgrade replaces the restrictive factory downpipe sections with a freer-flowing catless configuration.\n\u003c\/p\u003e\n\n\u003cp\u003e\nThe dual-downpipe layout is designed around the twin-turbo exhaust system used on compatible Porsche 911 992 3.0T applications. By eliminating the catalytic restriction within the downpipe section, the system is designed to improve exhaust flow while producing a sharper and more aggressive turbocharged exhaust character.\n\u003c\/p\u003e\n\n\n\u003ch5\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h5\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e\n\u003cp\u003eCatless performance downpipe set designed for selected Porsche 911 992 3.0T applications.\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003eDual-downpipe configuration matches the twin-turbo exhaust layout of compatible Porsche 992 models.\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003eCatless design eliminates catalytic restriction within the downpipe section for improved exhaust flow.\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003eDesigned to reduce exhaust restriction immediately downstream of the turbochargers.\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003eProvides a louder and more aggressive turbocharged exhaust character compared with the factory downpipes.\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003eIntegrated sensor provisions and vehicle-specific connection points support installation on compatible applications.\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003eHeat-shielded exterior sections help manage radiant heat around the downpipe area.\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003c\/ul\u003e\n\n\n\u003ch5\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h5\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e\n\u003cp\u003e2019+ Porsche 911 992 Carrera 3.0T\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003e2019+ Porsche 911 992 Carrera 4 3.0T\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003e2019+ Porsche 911 992 Carrera S 3.0T\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003e2019+ Porsche 911 992 Carrera 4S 3.0T\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003e2019+ Porsche 911 992 Targa 4 3.0T\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003e2019+ Porsche 911 992 Targa 4S 3.0T\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003c\/ul\u003e\n\n\n\u003ch5\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e\u003c\/h5\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e\n\u003cp\u003eThis product uses a catless configuration and does not contain catalytic converters.\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003eDesigned for selected Porsche 911 992 models equipped with the 3.0T engine.\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003ePlease verify your vehicle model, production year, engine configuration, factory downpipe layout, sensor locations, and connection points before purchase.\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003eInstallation of catless downpipes may trigger emissions-related diagnostic codes or a check engine light depending on vehicle calibration and emissions monitoring configuration.\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003eThis product may not comply with emissions regulations for public-road use in some regions. Please check applicable local regulations before purchase and installation.\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003c\/ul\u003e\n\n\n\u003ch5\u003e\u003cstrong\u003eFitment Note:\u003c\/strong\u003e\u003c\/h5\u003e\n\n\u003cp\u003e\nPorsche 911 992 exhaust configurations may vary depending on model, production year, regional specification, factory emissions equipment, and previous modifications. Please compare the original downpipe routing, turbocharger outlet connections, sensor positions, flange dimensions, mounting points, and downstream exhaust connections with the product photos before installation.\n\u003c\/p\u003e\n\n\u003cp\u003e\nVehicles equipped with aftermarket turbochargers, headers, midpipes, cat-back exhaust systems, or other exhaust modifications may require additional fitment verification or installation adjustment.\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eProfessional installation is recommended.\u003c\/strong\u003e Proper turbocharger connection alignment, sensor installation, heat-shield positioning, flange sealing, exhaust clearance, and leak testing should be performed to ensure correct fitment and reliable operation.\n\u003c\/p\u003e\n\n\n\u003ch5\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eProduct Details\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h5\u003e\n\n\u003ctable style=\"width: 100%; border-collapse: collapse;\" cellspacing=\"0\" cellpadding=\"8\" border=\"1\"\u003e\n\n\u003ctbody\u003e\n\n\u003ctr\u003e\n\u003cth\u003eItem\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eKYOSTAR\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eKD5S001N\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eCatless Exhaust Downpipe Set\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eFitment\u003c\/td\u003e\n\u003ctd\u003ePorsche 911 992 Carrera \/ Carrera 4 \/ Carrera S \/ Carrera 4S \/ Targa 4 \/ Targa 4S\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eYear\u003c\/td\u003e\n\u003ctd\u003e2019+\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eEngine\u003c\/td\u003e\n\u003ctd\u003e3.0T Turbocharged Engine\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eChassis\u003c\/td\u003e\n\u003ctd\u003e992\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eExhaust Type\u003c\/td\u003e\n\u003ctd\u003eCatless Performance Downpipe Set\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eConfiguration\u003c\/td\u003e\n\u003ctd\u003eDual Downpipe System\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eCatalytic Converter\u003c\/td\u003e\n\u003ctd\u003eNone \/ Catless\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eHeat Protection\u003c\/td\u003e\n\u003ctd\u003eIntegrated Heat-Shielded Sections\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eSensor Provision\u003c\/td\u003e\n\u003ctd\u003eIntegrated Sensor Bung Configuration\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eStreet And Performance Exhaust Upgrade\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eBenefits\u003c\/td\u003e\n\u003ctd\u003eReduced Exhaust Restriction, Improved Exhaust Flow, Enhanced Turbo Sound, More Aggressive Exhaust Character\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003ePackage Includes\u003c\/td\u003e\n\u003ctd\u003eLeft And Right Catless Downpipes And Installation Components As Shown\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eCondition\u003c\/td\u003e\n\u003ctd\u003eBrand New\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003c\/tbody\u003e\n\n\u003c\/table\u003e\n\n\n\u003ch5\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eFAQ\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h5\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eQ: Will these downpipes fit my Porsche 911 992?\u003c\/strong\u003e\u003cbr\u003e\nA: The supplied fitment information includes selected 2019+ Porsche 911 992 Carrera, Carrera 4, Carrera S, Carrera 4S, Targa 4, and Targa 4S models equipped with the 3.0T engine.\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eQ: Are these downpipes catless?\u003c\/strong\u003e\u003cbr\u003e\nA: Yes. This product is listed as a catless downpipe set and does not contain catalytic converters.\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eQ: Is this a single downpipe or a pair?\u003c\/strong\u003e\u003cbr\u003e\nA: The product shown is a dual-downpipe set with left and right downpipe sections for the twin-turbo exhaust configuration.\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eQ: Do the downpipes include heat shielding?\u003c\/strong\u003e\u003cbr\u003e\nA: The product image shows heat-shielded exterior sections around the main downpipe bodies.\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eQ: Will the exhaust become louder after installation?\u003c\/strong\u003e\u003cbr\u003e\nA: Yes. A catless downpipe configuration generally provides a louder and more aggressive exhaust character while making turbocharger sound more noticeable.\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eQ: Can a check engine light appear after installation?\u003c\/strong\u003e\u003cbr\u003e\nA: Yes. Removing the factory catalytic converters can trigger emissions-related diagnostic codes or a check engine light depending on the vehicle calibration and emissions monitoring system.\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eQ: Can these downpipes be used with an aftermarket cat-back exhaust?\u003c\/strong\u003e\u003cbr\u003e\nA: Compatibility depends on the connection dimensions and layout of the aftermarket exhaust system. Please verify all downstream connections before installation.\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eQ: Is ECU tuning required?\u003c\/strong\u003e\u003cbr\u003e\nA: ECU tuning requirements are not specified in the supplied product information. Requirements may vary depending on vehicle calibration, emissions monitoring, and other performance modifications.\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eQ: Is professional installation recommended?\u003c\/strong\u003e\u003cbr\u003e\nA: Yes. Professional installation is recommended to ensure correct turbo outlet alignment, proper sensor installation, secure flange connections, sufficient heat shielding, and leak-free operation.\n\u003c\/p\u003e\n\n\n\u003ch5\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eWarranty \u0026amp; Shipping\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h5\u003e\n\n\u003cp\u003e\nEvery KYOSTAR exhaust component is inspected before shipment to ensure product condition, pipe construction, sensor locations, heat-shield condition, connection points, and packaging integrity before delivery.\n\u003c\/p\u003e\n\n\u003cp\u003e\nAll components are securely packaged to help reduce the risk of transportation damage. Please inspect the package and downpipes after delivery and contact our support team if you notice missing components, shipping damage, or product-related concerns.\n\u003c\/p\u003e\n\n\u003cp\u003e\nPlease contact KYOSTAR customer support if you need assistance with vehicle fitment, installation questions, missing components, or after-sales service.\n\u003c\/p\u003e\n\n\u003c\/div\u003e","brand":"KYOSTAR","offers":[{"title":"Ships from U.S. Warehouse","offer_id":54468273078545,"sku":"KD5S001IN-1","price":1049.0,"currency_code":"USD","in_stock":false},{"title":"Factory Direct Shipping","offer_id":54468273111313,"sku":"KD5S001IN-2","price":1099.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0919\/7361\/5889\/files\/KD5S001IN_1_4c8f3ea3-4a9d-4e01-ad93-b204ef5b721b.jpg?v=1787883288"},{"product_id":"kyostar-catless-downpipes-for-2015-2023-mercedes-benz-amg-w205-c63-c63s-m177-4-0tt-v8","title":"KYOSTAR Catless Downpipes for 2015-2023 Mercedes-Benz AMG W205 C63 C63S M177 4.0TT V8","description":"\u003cdiv class=\"product-description\"\u003e\n\n\u003ch5\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003eKYOSTAR Catless Downpipes for 2015-2023 Mercedes-Benz AMG W205 C63 C63S M177 4.0TT V8\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h5\u003e\n\n\u003cp\u003e\nUpgrade your Mercedes-Benz AMG W205 C63 or C63S equipped with the M177 4.0TT V8 engine with the KYOSTAR Catless Downpipe Set. Designed as a performance-oriented replacement for the factory downpipe sections, this system provides a freer-flowing exhaust path for the twin-turbocharged M177 engine while delivering a more aggressive exhaust character.\n\u003c\/p\u003e\n\n\u003cp\u003e\nThe catless configuration removes the catalytic restriction within the factory downpipe section to help reduce exhaust backpressure and improve exhaust gas flow from the turbochargers. The multi-piece dual-downpipe design follows the vehicle-specific exhaust layout and provides a performance-focused upgrade for compatible W205 C63 and C63S applications.\n\u003c\/p\u003e\n\n\n\u003ch5\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h5\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e\n\u003cp\u003ePerformance catless downpipe set designed for Mercedes-Benz AMG W205 C63 and C63S models equipped with the M177 4.0TT V8 engine.\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003eCatless configuration removes catalytic restriction within the factory downpipe section for a freer-flowing exhaust path.\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003eDesigned to help reduce exhaust restriction immediately downstream of the twin turbochargers.\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003eMulti-piece dual-downpipe configuration matches the twin-turbo exhaust layout of compatible M177 applications.\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003eProvides a louder, deeper, and more aggressive performance exhaust character compared with the factory downpipe configuration.\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003eDesigned with vehicle-specific bends, connection points, and mounting provisions for compatible W205 applications.\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003eSuitable for performance-oriented and modified M177 builds where local regulations permit.\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003c\/ul\u003e\n\n\n\u003ch5\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h5\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e\n\u003cp\u003e2015-2023 Mercedes-Benz AMG W205 C63 M177 4.0TT V8\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003e2015-2023 Mercedes-Benz AMG W205 C63S M177 4.0TT V8\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003c\/ul\u003e\n\n\n\u003ch5\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e\u003c\/h5\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e\n\u003cp\u003eThis product uses a catless configuration and does not contain catalytic converters.\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003eDesigned for selected Mercedes-Benz AMG W205 C63 and C63S models equipped with the M177 4.0TT V8 engine.\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003ePlease verify your vehicle year, chassis code, engine code, factory downpipe configuration, turbocharger connections, sensor locations, and downstream exhaust connections before purchase.\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003eInstallation of catless downpipes may trigger emissions-related diagnostic codes or a check engine light depending on the vehicle calibration and emissions monitoring system.\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003eThis product may not comply with emissions regulations for public-road use in some regions. Please check applicable local regulations before purchase and installation.\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003c\/ul\u003e\n\n\n\u003ch5\u003e\u003cstrong\u003eFitment Note:\u003c\/strong\u003e\u003c\/h5\u003e\n\n\u003cp\u003e\nMercedes-Benz AMG W205 C63 and C63S exhaust configurations may vary depending on production year, regional specification, factory emissions equipment, and previous vehicle modifications. Please compare the original downpipe routing, turbocharger outlet connections, sensor locations, mounting points, and downstream exhaust connections with the product photos before installation.\n\u003c\/p\u003e\n\n\u003cp\u003e\nVehicles equipped with upgraded turbochargers, aftermarket midpipes, cat-back exhaust systems, or other modified exhaust components may require additional fitment verification or installation adjustment.\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eProfessional installation is recommended.\u003c\/strong\u003e Proper turbocharger connection alignment, exhaust pipe positioning, sensor installation, mounting point alignment, exhaust clearance, and leak testing should be performed to ensure correct fitment and reliable operation.\n\u003c\/p\u003e\n\n\n\u003ch5\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eProduct Details\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h5\u003e\n\n\u003ctable style=\"width: 100%; border-collapse: collapse;\" cellspacing=\"0\" cellpadding=\"8\" border=\"1\"\u003e\n\n\u003ctbody\u003e\n\n\u003ctr\u003e\n\u003cth\u003eItem\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eBrand\u003c\/td\u003e\n\u003ctd\u003eKYOSTAR\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eSKU\u003c\/td\u003e\n\u003ctd\u003eKD5S002PD\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eCatless Exhaust Downpipe Set\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eFitment\u003c\/td\u003e\n\u003ctd\u003eMercedes-Benz AMG W205 C63 \/ C63S\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eYear\u003c\/td\u003e\n\u003ctd\u003e2015-2023\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eEngine\u003c\/td\u003e\n\u003ctd\u003eM177 4.0L Twin-Turbo V8\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eChassis\u003c\/td\u003e\n\u003ctd\u003eW205\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eExhaust Type\u003c\/td\u003e\n\u003ctd\u003eCatless Performance Downpipes\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eConfiguration\u003c\/td\u003e\n\u003ctd\u003eMulti-Piece Dual Downpipe Set\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eCatalytic Converter\u003c\/td\u003e\n\u003ctd\u003eNone \/ Catless\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003ePerformance Exhaust Upgrade\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eBenefits\u003c\/td\u003e\n\u003ctd\u003eReduced Exhaust Restriction, Improved Exhaust Flow, Enhanced Turbo Sound, More Aggressive Exhaust Character\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003ePackage Includes\u003c\/td\u003e\n\u003ctd\u003eLeft And Right Multi-Piece Catless Downpipe Assemblies As Shown\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eCondition\u003c\/td\u003e\n\u003ctd\u003eBrand New\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003c\/tbody\u003e\n\n\u003c\/table\u003e\n\n\n\u003ch5\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eFAQ\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h5\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eQ: Will these downpipes fit my Mercedes-AMG W205 C63?\u003c\/strong\u003e\u003cbr\u003e\nA: Yes. The supplied fitment information lists 2015-2023 Mercedes-Benz AMG W205 C63 models equipped with the M177 4.0TT V8 engine.\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eQ: Will these downpipes fit the W205 C63S?\u003c\/strong\u003e\u003cbr\u003e\nA: Yes. The supplied fitment information also includes 2015-2023 Mercedes-Benz AMG W205 C63S applications equipped with the M177 4.0TT V8.\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eQ: Are these downpipes catless?\u003c\/strong\u003e\u003cbr\u003e\nA: Yes. This product is listed as a catless downpipe set and does not contain catalytic converters.\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eQ: Is this a complete left and right downpipe set?\u003c\/strong\u003e\u003cbr\u003e\nA: The supplied product image shows a multi-piece left and right downpipe configuration designed for the M177 twin-turbo exhaust system.\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eQ: Will the exhaust become louder after installation?\u003c\/strong\u003e\u003cbr\u003e\nA: Yes. Removing the catalytic restriction generally produces a louder and more aggressive exhaust character and can make turbocharger sound more noticeable.\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eQ: Can a check engine light appear after installing catless downpipes?\u003c\/strong\u003e\u003cbr\u003e\nA: Yes. A catless exhaust configuration may trigger emissions-related diagnostic codes or a check engine light depending on the vehicle calibration and emissions monitoring system.\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eQ: Can these downpipes be used with an aftermarket cat-back or midpipe?\u003c\/strong\u003e\u003cbr\u003e\nA: Compatibility depends on the dimensions and connection layout of the aftermarket exhaust components. Please verify all connection points before installation.\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eQ: Is ECU tuning required?\u003c\/strong\u003e\u003cbr\u003e\nA: ECU tuning requirements are not specified in the supplied product information. Requirements may vary depending on vehicle calibration, emissions monitoring, and other performance modifications.\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eQ: Is professional installation recommended?\u003c\/strong\u003e\u003cbr\u003e\nA: Yes. Professional installation is recommended to ensure correct turbocharger connections, pipe alignment, sensor positioning, secure exhaust connections, and leak-free operation.\n\u003c\/p\u003e\n\n\n\u003ch5\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eWarranty \u0026amp; Shipping\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h5\u003e\n\n\u003cp\u003e\nEvery KYOSTAR exhaust component is inspected before shipment to ensure product condition, pipe construction, connection points, mounting provisions, included components, and packaging integrity before delivery.\n\u003c\/p\u003e\n\n\u003cp\u003e\nAll components are securely packaged to help reduce the risk of transportation damage. Please inspect the package and all downpipe components after delivery and contact our support team if you notice missing components, shipping damage, or product-related concerns.\n\u003c\/p\u003e\n\n\u003cp\u003e\nPlease contact KYOSTAR customer support if you need assistance with vehicle fitment, installation questions, missing components, or after-sales service.\n\u003c\/p\u003e\n\n\u003c\/div\u003e","brand":"KYOSTAR","offers":[{"title":"Ships from U.S. Warehouse","offer_id":54468287791377,"sku":"KD5S002PD-1","price":560.99,"currency_code":"USD","in_stock":false},{"title":"Factory Direct Shipping","offer_id":54468287824145,"sku":"KD5S002PD-2","price":609.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0919\/7361\/5889\/files\/KD5S002PD_1_4f03b214-39fc-4232-9af8-afae2c36d6ef.jpg?v=1787884202"}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0919\/7361\/5889\/collections\/KD5S020WG_4_9a967b12-581e-4ac4-a8d0-6c6052858aa8.jpg?v=1791606062","url":"https:\/\/www.kyostars.com\/de\/collections\/limited-time-deals.oembed","provider":"KYOSTAR PERFORMANCE","version":"1.0","type":"link"}