{"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","url":"https:\/\/www.kyostars.com\/de\/products\/kyostar-catless-downpipes-for-2020-bmw-f97-x3-m-f98-x4-m-s58-3-0t","provider":"KYOSTAR PERFORMANCE","version":"1.0","type":"link"}