{"product_id":"kyostar-89mm-valved-catback-exhaust-system-w-bracket-for-2021-bmw-g80-m3-g82-g83-m4-2022-g81-m3-s58-3-0t","title":"KYOSTAR 89mm Valved Catback Exhaust System w\/ Bracket for 2021+ BMW G80 M3 G82 G83 M4 2022+ G81 M3 S58 3.0T","description":"\u003cdiv class=\"product-description\"\u003e\n\u003ch4\u003eKYOSTAR 89mm Valved Catback Exhaust System w\/ Bracket for BMW S58 3.0T\u003c\/h4\u003e\n\u003ch5\u003eThe KYOSTAR 89mm Valved Catback Exhaust System is engineered specifically for BMW S58-powered M models, featuring oversized 89mm mandrel-bent tubing to maximize exhaust flow and reduce backpressure. The integrated electronic valve system allows you to switch effortlessly between a refined daily driving sound and an aggressive performance exhaust note whenever desired.\u003c\/h5\u003e\n\u003ch5\u003eConstructed from premium T304 stainless steel with precision TIG welding, this catback exhaust system is designed for exceptional durability, corrosion resistance, and long-term performance. The included mounting brackets ensure secure installation while the optimized exhaust routing improves scavenging efficiency, throttle response, and overall exhaust performance without compromising factory fitment.\u003c\/h5\u003e\n\u003ch4\u003eFitment\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ch4\u003e2021+ BMW G80 M3\u003c\/h4\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch4\u003e2021+ BMW G80 M3 Competition\u003c\/h4\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch4\u003e2021+ BMW G80 M3 Competition xDrive\u003c\/h4\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch4\u003e2022+ BMW G81 M3 Touring Competition xDrive\u003c\/h4\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch4\u003e2021+ BMW G82 M4 Coupe\u003c\/h4\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch4\u003e2021+ BMW G82 M4 Competition\u003c\/h4\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch4\u003e2021+ BMW G82 M4 Competition xDrive\u003c\/h4\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch4\u003e2021+ BMW G83 M4 Convertible\u003c\/h4\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch4\u003e2021+ BMW G83 M4 Competition xDrive\u003c\/h4\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003eNote\u003c\/strong\u003e\u003c\/h4\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003ch4\u003eCompatible with BMW S58 3.0L Twin-Turbo Inline-6 engines only.\u003c\/h4\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch4\u003eNot compatible with S55, B58, N55, or other BMW engine platforms.\u003c\/h4\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch4\u003ePlease verify your vehicle year, chassis code, exhaust configuration, and electronic valve connections before ordering.\u003c\/h4\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003ch4\u003eDesigned for vehicles utilizing the factory electronic exhaust valve system.\u003c\/h4\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch4\u003e\u003cstrong\u003eFitment Note\u003c\/strong\u003e\u003c\/h4\u003e\n\u003ch4\u003eFitment may vary depending on production date, regional emissions specifications, and previous exhaust modifications. Please compare your factory exhaust layout, mounting brackets, and valve connectors before installation to ensure proper compatibility.\u003c\/h4\u003e\n\u003ch4\u003e\n\u003cstrong\u003eProfessional installation is recommended.\u003c\/strong\u003e Proper alignment of the exhaust system, brackets, and valve actuators is essential to achieve leak-free installation and optimal exhaust performance.\u003c\/h4\u003e\n\u003ch4\u003eProduct Details\u003c\/h4\u003e\n\u003ctable style=\"width: 100%; border-collapse: collapse;\" cellspacing=\"0\" cellpadding=\"8\" border=\"1\"\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003cth\u003eItem\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\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\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eValved Catback Exhaust System\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 3.0L Twin-Turbo Inline-6\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\u003ePipe Diameter\u003c\/td\u003e\n\u003ctd\u003e89mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eT304 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eFinish\u003c\/td\u003e\n\u003ctd\u003eBrushed Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eExhaust Type\u003c\/td\u003e\n\u003ctd\u003eValved Catback Exhaust System\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eValve Type\u003c\/td\u003e\n\u003ctd\u003eElectronic Valve Control\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eConfiguration\u003c\/td\u003e\n\u003ctd\u003e4-Tip with Mounting Brackets\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePipe Design\u003c\/td\u003e\n\u003ctd\u003eMandrel Bent Tubing\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eBenefits\u003c\/td\u003e\n\u003ctd\u003eHigher Exhaust Flow, Reduced Backpressure, Improved Exhaust Pulse Scavenging, Faster Throttle Response, Adjustable Exhaust Tone\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eStreet \u0026amp; Track Performance\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003ePackage Includes\u003c\/td\u003e\n\u003ctd\u003e1 × 89mm Valved Catback Exhaust System, Mounting Brackets, Electronic Valves, Clamps \u0026amp; Hardware (As Shown)\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\u003c\/div\u003e","brand":"KYOSTAR","offers":[{"title":"Ships from U.S. Warehouse","offer_id":53786457604369,"sku":null,"price":1549.0,"currency_code":"USD","in_stock":true},{"title":"Factory Direct Shipping","offer_id":53786457637137,"sku":null,"price":1599.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0919\/7361\/5889\/files\/NA-CB-5042-SS-WG_6.jpg?v=1784256998","url":"https:\/\/www.kyostars.com\/products\/kyostar-89mm-valved-catback-exhaust-system-w-bracket-for-2021-bmw-g80-m3-g82-g83-m4-2022-g81-m3-s58-3-0t","provider":"KYOSTAR PERFORMANCE","version":"1.0","type":"link"}