{"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":"\u003ch5\u003e\n\u003cstrong\u003e\nKYOSTAR 89mm Valved Catback Exhaust System w\/ Bracket for BMW S58 3.0T\n\u003c\/strong\u003e\n\u003c\/h5\u003e\n\n\u003cp\u003e\nThe 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.\n\u003c\/p\u003e\n\n\u003cp\u003e\nConstructed 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.\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\nFlow Advantage: Oversized 89mm mandrel-bent tubing maximizes exhaust flow and helps reduce backpressure for improved performance.\n\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003e\nSound Control Advantage: Electronic valve control system provides adjustable exhaust sound for both daily driving and performance applications.\n\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003e\nMaterial Advantage: Premium T304 stainless steel construction delivers excellent durability and corrosion resistance.\n\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003e\nConstruction Advantage: TIG-welded construction ensures reliable performance under high-temperature exhaust conditions.\n\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003e\nPerformance Advantage: Optimized exhaust routing improves exhaust pulse scavenging, throttle response, and overall driving experience.\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\n2021+ BMW G80 M3 S58 3.0T\n\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003e\n2021+ BMW G80 M3 Competition S58 3.0T\n\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003e\n2021+ BMW G80 M3 Competition xDrive S58 3.0T\n\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003e\n2022+ BMW G81 M3 Touring Competition xDrive S58 3.0T\n\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003e\n2021+ BMW G82 M4 Coupe S58 3.0T\n\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003e\n2021+ BMW G82 M4 Competition S58 3.0T\n\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003e\n2021+ BMW G82 M4 Competition xDrive S58 3.0T\n\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003e\n2021+ BMW G83 M4 Convertible S58 3.0T\n\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003e\n2021+ BMW G83 M4 Competition xDrive S58 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 G80 M3, G81 M3 Touring, G82 M4, and G83 M4 models equipped with the S58 3.0L Twin-Turbo Inline-6 engine.\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eIncompatible Vehicle:\u003c\/strong\u003e Not compatible with S55, B58, N55, or other BMW engine platforms.\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eVerify Vehicle:\u003c\/strong\u003e Please verify your vehicle year, chassis code, exhaust configuration, and electronic valve connections before ordering.\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eValve Compatibility:\u003c\/strong\u003e Designed for vehicles utilizing the factory electronic exhaust valve system.\n\u003c\/p\u003e\n\n\u003cp\u003e\nFitment 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.\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eProfessional Installation:\u003c\/strong\u003e Proper alignment of the exhaust system, brackets, and valve actuators is essential to achieve leak-free installation and optimal exhaust performance.\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-CB-5042-SS-WG\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eValved Catback Exhaust System\u003c\/td\u003e\n\u003c\/tr\u003e\n\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\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\n\u003ctr\u003e\n\u003ctd\u003eChassis\u003c\/td\u003e\n\u003ctd\u003eG80 \/ G81 \/ G82 \/ G83\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003ePipe Diameter\u003c\/td\u003e\n\u003ctd\u003e89mm\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eMaterial\u003c\/td\u003e\n\u003ctd\u003eT304 Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eFinish\u003c\/td\u003e\n\u003ctd\u003eBrushed Stainless Steel\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eExhaust Type\u003c\/td\u003e\n\u003ctd\u003eValved Catback Exhaust System\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eValve Type\u003c\/td\u003e\n\u003ctd\u003eElectronic Valve Control\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eConfiguration\u003c\/td\u003e\n\u003ctd\u003e4-Tip with Mounting Brackets\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003ePipe Design\u003c\/td\u003e\n\u003ctd\u003eMandrel Bent Tubing\u003c\/td\u003e\n\u003c\/tr\u003e\n\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\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eStreet \u0026amp; Track Performance\u003c\/td\u003e\n\u003c\/tr\u003e\n\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\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 89mm valved catback exhaust system 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 and factory exhaust 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 89mm Valved Catback Exhaust System is designed for direct installation using compatible factory-style mounting locations and electronic valve connections. Professional installation is recommended for proper alignment and sealing.\n\u003c\/p\u003e\n\n\u003ch5\u003e\n\u003cstrong\u003e\nQ3: Can I adjust the exhaust sound?\n\u003c\/strong\u003e\n\u003c\/h5\u003e\n\n\u003cp\u003e\nThe integrated electronic valve system allows adjustable exhaust characteristics, providing a more refined tone during normal driving and a more aggressive sound during performance driving.\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 89mm Valved Catback Exhaust System improves exhaust flow efficiency, reduces restriction, enhances exhaust pulse scavenging, and provides adjustable exhaust sound for BMW S58 3.0T performance 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\n\n\u003ch5\u003e\n\u003cstrong\u003e\n\u003cspan style=\"text-decoration: underline;\"\u003e\nWarranty \u0026amp; Shipping\n\u003c\/span\u003e\n\u003c\/strong\u003e\n\u003c\/h5\u003e\n\n\u003cp\u003e\nKYOSTAR products are inspected before shipment to ensure quality and reliability. Each exhaust system is securely packaged to prevent transportation damage. Please contact our support team if you need assistance with installation or product-related issues.\n\u003c\/p\u003e","brand":"KYOSTAR","offers":[{"title":"Ships from U.S. Warehouse","offer_id":53786457604369,"sku":"NA-CB-5042-SS-WG","price":1549.0,"currency_code":"USD","in_stock":true},{"title":"Factory Direct Shipping","offer_id":53786457637137,"sku":"NA-CB-5042-SS-WG","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\/de\/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"}