{"product_id":"kyostar-high-flow-crossover-exhaust-pipe-for-2021-bmw-g80-g81-m3-g82-g83-m4-s58-3-0t","title":"KYOSTAR High-Flow Crossover Exhaust Pipe for 2021+ BMW G80 G81 M3 G82 G83 M4 S58 3.0T","description":"\u003cdiv class=\"product-description\"\u003e\n\u003ch5\u003e\u003cstrong\u003e KYOSTAR High-Flow Crossover Exhaust Pipe for BMW S58 3.0T \u003c\/strong\u003e\u003c\/h5\u003e\n\u003cp\u003eThe KYOSTAR High-Flow Crossover Exhaust Pipe is designed for selected BMW S58-powered M models, including G80\/G81 M3 and G82\/G83 M4 applications. This performance crossover pipe improves exhaust flow efficiency while supporting a deeper, more aggressive exhaust tone compared with the factory exhaust section.\u003c\/p\u003e\n\u003cp\u003eFeaturing a high-flow crossover design, this exhaust upgrade helps balance exhaust pulses between both sides of the system and reduces exhaust restriction. It is an ideal solution for daily-driven performance vehicles, tuned street builds, track-focused applications, and BMW M models equipped with additional exhaust modifications.\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 Crossover Design: Improves exhaust flow efficiency and helps reduce restriction compared with the factory exhaust section.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eExhaust Pulse Balance Advantage: Optimizes exhaust pulse distribution between both sides of the S58 exhaust system for improved flow characteristics.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eSound Enhancement Advantage: Provides a deeper and more aggressive exhaust tone for BMW S58 performance applications.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003ePerformance Upgrade Advantage: Supports tuned builds, track applications, and vehicles equipped with upgraded exhaust systems.\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp\u003eFlexible Application Advantage: Designed to integrate with compatible BMW S58 exhaust configurations for performance-focused upgrades.\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\u003e2021+ 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 and compatible exhaust layouts.\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 applications.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eVerify Vehicle:\u003c\/strong\u003e Please verify your vehicle year, chassis code, engine code, exhaust pipe diameter, flange design, and connection layout before ordering.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eExhaust Configuration:\u003c\/strong\u003e Designed for BMW S58 factory-style exhaust layouts and compatible aftermarket exhaust systems.\u003c\/p\u003e\n\u003cp\u003eExhaust layouts, pipe diameters, connection points, mounting locations, and factory emissions components may vary by production date, model, market, and previous modifications. Please compare your original crossover pipe and all exhaust connections with the product photos before installation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eProfessional Installation:\u003c\/strong\u003e Cutting, welding, additional clamps, gaskets, adapters, mounting hardware, 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\u003eKD5S035PD\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eHigh-Flow Crossover Exhaust Pipe\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eVehicle Fitment\u003c\/td\u003e\n\u003ctd\u003e2021+ BMW G80\/G81 M3 and 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\u003eHigh-Flow Crossover Design\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eStreet Performance, Track Use, Tuned Builds, Upgraded Exhaust Systems\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBenefits\u003c\/td\u003e\n\u003ctd\u003eImproved Exhaust Flow, Balanced Exhaust Pulses, Reduced Restriction, More 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\u003eCrossover Exhaust Pipe Upgrade\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eInstallation\u003c\/td\u003e\n\u003ctd\u003ePerformance Exhaust Replacement\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage Includes\u003c\/td\u003e\n\u003ctd\u003eHigh-Flow Crossover Exhaust Pipe 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\u003eThis high-flow crossover exhaust pipe is 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, exhaust configuration, and connection design before purchase.\u003c\/p\u003e\n\u003ch5\u003e\u003cstrong\u003e Q2: Does installation require modification? \u003c\/strong\u003e\u003c\/h5\u003e\n\u003cp\u003eInstallation requirements may vary depending on vehicle configuration and existing exhaust modifications. Cutting, welding, clamps, adapters, or additional hardware may be required for certain applications. Professional installation is recommended.\u003c\/p\u003e\n\u003ch5\u003e\u003cstrong\u003e Q3: What performance benefits does this provide? \u003c\/strong\u003e\u003c\/h5\u003e\n\u003cp\u003eThe KYOSTAR High-Flow Crossover Exhaust Pipe improves exhaust flow characteristics, helps balance exhaust pulses, reduces restriction, and enhances the exhaust tone of BMW S58 performance applications.\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":53783730192657,"sku":"KD5S035PD_1","price":135.0,"currency_code":"USD","in_stock":true},{"title":"Factory Direct Shipping","offer_id":53783730225425,"sku":"KD5S035PD","price":115.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0919\/7361\/5889\/files\/KD5S035PD_1.jpg?v=1784193811","url":"https:\/\/www.kyostars.com\/de\/products\/kyostar-high-flow-crossover-exhaust-pipe-for-2021-bmw-g80-g81-m3-g82-g83-m4-s58-3-0t","provider":"KYOSTAR PERFORMANCE","version":"1.0","type":"link"}