{"product_id":"kyostar-exhaust-downpipe-for-2018-2023-bmw-f90-m5-f91-f92-f93-m8-s63-4-4t-v8","title":"KYOSTAR Exhaust Downpipe for 2018-2023 BMW F90 M5 F91 F92 F93 M8 S63 4.4T V8","description":"\u003ch5\u003e\n\u003cstrong\u003e\nKYOSTAR Exhaust Downpipe for 2018-2023 BMW F90 M5 F91 F92 F93 M8 S63 4.4T V8\n\u003c\/strong\u003e\n\u003c\/h5\u003e\n\n\u003cp\u003e\nThe KYOSTAR Exhaust Downpipe is designed for BMW S63 4.4T Twin Turbo V8 engines to improve exhaust flow efficiency, reduce backpressure, and optimize turbocharger performance. By replacing the restrictive factory downpipe components, this upgrade helps improve turbo response, throttle response, and overall exhaust efficiency for BMW M5 and M8 models.\n\u003c\/p\u003e\n\n\u003cp\u003e\nManufactured with high-quality stainless steel construction and precision welding, this downpipe provides excellent durability and heat resistance for high-performance applications. Featuring a heat-resistant wrapped exterior design, it helps manage exhaust temperatures while delivering improved exhaust pulse flow, enhanced turbo characteristics, and a more aggressive exhaust tone.\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\nPerformance Benefit: Improves exhaust flow and reduces backpressure, allowing the S63 twin-turbo V8 engine to achieve faster response and improved exhaust efficiency.\n\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003e\nMaterial Advantage: Built from durable stainless steel with high-temperature protection for reliable performance under extreme exhaust conditions.\n\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003e\nInstallation Advantage: Designed using factory mounting points for a direct replacement installation with proper fitment.\n\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003e\nDesign Advantage: Optimized exhaust pulse design helps improve turbocharger response while providing a deeper performance exhaust tone.\n\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003e\nCompatibility Advantage: Specifically developed for BMW F90 M5 and F91\/F92\/F93 M8 models equipped with the S63 4.4T V8 engine.\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\n2018-2023 BMW F90 M5 S63 4.4T V8\n\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003e\n2019-2023 BMW F91 M8 Convertible S63 4.4T V8\n\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003e\n2019-2023 BMW F92 M8 Coupe S63 4.4T V8\n\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003e\n2019-2023 BMW F93 M8 Gran Coupe S63 4.4T V8\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 specifically for BMW F90 M5 and F91\/F92\/F93 M8 models equipped with the S63 4.4T Twin Turbo V8 engine.\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eIncompatible Vehicle:\u003c\/strong\u003e Not compatible with BMW models using different chassis platforms, engine configurations, or exhaust layouts.\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eVerify Vehicle:\u003c\/strong\u003e Please confirm your vehicle Year, Chassis Code, Engine Configuration, and existing exhaust system before ordering.\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eInstallation:\u003c\/strong\u003e Professional installation is recommended to ensure correct alignment, exhaust sealing, proper clearance, and optimal performance. ECU tuning may be required depending on vehicle configuration.\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\u003eKD5S009IN\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eExhaust Downpipe\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eVehicle Fitment\u003c\/td\u003e\n\u003ctd\u003eBMW F90 M5 \/ F91 F92 F93 M8\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eEngine\u003c\/td\u003e\n\u003ctd\u003eS63 4.4T Twin Turbo V8\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eChassis\u003c\/td\u003e\n\u003ctd\u003eF90 \/ F91 \/ F92 \/ F93\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eBMW M Performance Vehicles 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\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003ePipe Diameter\u003c\/td\u003e\n\u003ctd\u003ePerformance Diameter Design\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eFinish\u003c\/td\u003e\n\u003ctd\u003eHeat Resistant Wrapped Finish\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003ePipe Material\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\u003ePerformance Exhaust Downpipe\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eCooling Method\u003c\/td\u003e\n\u003ctd\u003eHeat Protection Wrap\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eInstallation\u003c\/td\u003e\n\u003ctd\u003eBolt-On Installation\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003ePackage Includes\u003c\/td\u003e\n\u003ctd\u003eComplete Exhaust Downpipe Set + 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 Exhaust Downpipe fits BMW F90 M5 and F91\/F92\/F93 M8 models equipped with the S63 4.4T Twin Turbo V8 engine. 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 for direct installation using factory mounting locations. Professional installation is recommended for proper fitment, alignment, and exhaust sealing.\n\u003c\/p\u003e\n\n\u003ch5\u003e\n\u003cstrong\u003e\nQ3: Will this require ECU tuning?\n\u003c\/strong\u003e\n\u003c\/h5\u003e\n\n\u003cp\u003e\nDepending on vehicle setup, aftermarket downpipes may affect oxygen sensor readings. ECU tuning or calibration may be required to optimize performance and properly manage engine parameters.\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 exhaust downpipe improves exhaust flow, reduces backpressure, enhances turbocharger response, and delivers a more aggressive exhaust character for BMW S63 4.4T Twin Turbo V8 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":53803791089937,"sku":"KD5S009IN-1","price":669.99,"currency_code":"USD","in_stock":false},{"title":"Factory Direct Shipping","offer_id":53803791122705,"sku":"KD5S009IN-2","price":649.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0919\/7361\/5889\/files\/KD5S009IN_1_89f6d344-790d-4a33-8b68-29db96bdad43.jpg?v=1784786937","url":"https:\/\/www.kyostars.com\/de\/products\/kyostar-exhaust-downpipe-for-2018-2023-bmw-f90-m5-f91-f92-f93-m8-s63-4-4t-v8","provider":"KYOSTAR PERFORMANCE","version":"1.0","type":"link"}