{"product_id":"kyostar-valved-sport-cat-back-exhaust-system-for-bmw-e90-e92-e93-m3-2008-2013","title":"KYOSTAR Valved Sport Cat-Back Exhaust System for BMW E90 E92 E93 M3 2008-2013","description":"\u003cdiv class=\"product-description\"\u003e\n\n\u003ch5\u003e\u003cstrong\u003e\u003cspan style=\"text-decoration: underline;\"\u003eKYOSTAR Valved Sport Cat-Back Exhaust System for BMW E90 E92 E93 M3 2008-2013\u003c\/span\u003e\u003c\/strong\u003e\u003c\/h5\u003e\n\n\u003cp\u003e\nUpgrade your BMW E9x M3 with the KYOSTAR Valved Sport Cat-Back Exhaust System. Designed for selected BMW E90, E92, and E93 M3 applications, this complete center and rear exhaust upgrade improves exhaust flow while delivering a deeper and more aggressive performance exhaust character.\n\u003c\/p\u003e\n\n\u003cp\u003e\nConstructed from durable stainless steel with performance-oriented exhaust routing, this system provides excellent heat resistance, corrosion resistance, and long-term durability. The integrated valve-controlled design allows drivers to adjust the exhaust sound between a more refined tone for normal driving and a louder, more aggressive character for spirited performance use.\n\u003c\/p\u003e\n\n\n\u003ch5\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h5\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e\n\u003cp\u003eValved sport cat-back exhaust system designed specifically for BMW E9x M3 applications.\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003eStainless steel construction provides excellent durability, heat resistance, and corrosion resistance.\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003eIntegrated exhaust valve system allows adjustable exhaust sound for different driving conditions.\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003ePerformance-oriented center and rear exhaust routing helps improve exhaust flow compared with the factory system.\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003eDesigned to deliver a deeper, sharper, and more aggressive M3 exhaust character.\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003eQuad-tip rear exhaust configuration maintains a performance-focused BMW M appearance.\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003eComplete center and rear exhaust layout provides a comprehensive cat-back performance upgrade.\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003eSuitable for street driving and enthusiast performance applications.\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003c\/ul\u003e\n\n\n\u003ch5\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h5\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e\n\u003cp\u003e2008-2011 BMW E90 M3\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003e2008-2013 BMW E92 M3\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003e2008-2013 BMW E93 M3\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003c\/ul\u003e\n\n\n\u003ch5\u003e\u003cstrong\u003eNote:\u003c\/strong\u003e\u003c\/h5\u003e\n\n\u003cul\u003e\n\n\u003cli\u003e\n\u003cp\u003eDesigned for selected BMW E90, E92, and E93 M3 applications.\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003ePlease verify your vehicle production year, chassis code, original exhaust layout, valve configuration, pipe connections, and mounting points before purchase.\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003eCompatibility may vary depending on regional specification, factory exhaust options, emissions equipment, and previous aftermarket modifications.\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003cli\u003e\n\u003cp\u003ePlease compare the original center and rear exhaust routing with the product photos before ordering.\u003c\/p\u003e\n\u003c\/li\u003e\n\n\u003c\/ul\u003e\n\n\n\u003ch5\u003e\u003cstrong\u003eFitment Note:\u003c\/strong\u003e\u003c\/h5\u003e\n\n\u003cp\u003e\nBMW E90, E92, and E93 M3 exhaust configurations may vary depending on production year, regional specification, factory exhaust equipment, and previous modifications. Please compare the original center exhaust routing, rear muffler layout, hanger locations, valve connections, pipe connections, and surrounding components with the product photos before installation.\n\u003c\/p\u003e\n\n\u003cp\u003e\nVehicles equipped with aftermarket headers, midpipes, catalytic converters, rear diffusers, or other modified exhaust components may require additional fitment verification or installation adjustment.\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eProfessional installation is recommended.\u003c\/strong\u003e Proper exhaust alignment, valve connection inspection, hanger positioning, exhaust tip alignment, clearance adjustment, and leak testing should be performed to ensure correct fitment and reliable operation.\n\u003c\/p\u003e\n\n\n\u003ch5\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eProduct Details\u003c\/strong\u003e\u003c\/span\u003e\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\u003cth\u003eItem\u003c\/th\u003e\n\u003cth\u003eDetails\u003c\/th\u003e\n\u003c\/tr\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-5080-SS-WG\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eProduct Type\u003c\/td\u003e\n\u003ctd\u003eValved Sport Cat-Back Exhaust System\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eFitment\u003c\/td\u003e\n\u003ctd\u003eBMW E90 \/ E92 \/ E93 M3\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eYear\u003c\/td\u003e\n\u003ctd\u003e2008-2013\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eChassis\u003c\/td\u003e\n\u003ctd\u003eE90 \/ E92 \/ E93\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\u003eExhaust Type\u003c\/td\u003e\n\u003ctd\u003eValved Cat-Back Exhaust System\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eExhaust Section\u003c\/td\u003e\n\u003ctd\u003eCenter And Rear Exhaust System\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eValve Type\u003c\/td\u003e\n\u003ctd\u003eAdjustable Exhaust Valve System\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eTip Configuration\u003c\/td\u003e\n\u003ctd\u003eQuad Exhaust Tips\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eApplication\u003c\/td\u003e\n\u003ctd\u003eStreet And Performance Exhaust Upgrade\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003eBenefits\u003c\/td\u003e\n\u003ctd\u003eImproved Exhaust Flow, Adjustable Exhaust Sound, Enhanced Exhaust Character, Sportier Rear Appearance\u003c\/td\u003e\n\u003c\/tr\u003e\n\n\u003ctr\u003e\n\u003ctd\u003ePackage Includes\u003c\/td\u003e\n\u003ctd\u003eCenter Exhaust Pipes, Rear Muffler Sections, Exhaust Tips, Valve Components, Clamps And Installation Components 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\n\u003ch5\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eFAQ\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h5\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eQ: Will this exhaust fit my BMW E90 M3?\u003c\/strong\u003e\u003cbr\u003e\nA: Yes. The supplied fitment information includes 2008-2011 BMW E90 M3 applications. Please verify your original exhaust configuration before ordering.\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eQ: Will this fit the BMW E92 M3?\u003c\/strong\u003e\u003cbr\u003e\nA: Yes. The supplied fitment information includes 2008-2013 BMW E92 M3 models.\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eQ: Will this fit the BMW E93 M3 Convertible?\u003c\/strong\u003e\u003cbr\u003e\nA: Yes. The supplied product information includes 2008-2013 BMW E93 M3 applications.\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eQ: Does this exhaust system have valves?\u003c\/strong\u003e\u003cbr\u003e\nA: Yes. This is a valved sport exhaust system designed to provide adjustable exhaust sound for different driving conditions.\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eQ: What material is the exhaust made from?\u003c\/strong\u003e\u003cbr\u003e\nA: The exhaust system is constructed from stainless steel for durability, heat resistance, and corrosion resistance.\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eQ: Is this a complete cat-back exhaust system?\u003c\/strong\u003e\u003cbr\u003e\nA: Yes. This product includes the center and rear exhaust sections shown in the product image and is designed as a cat-back style upgrade.\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eQ: Will this exhaust make my M3 louder?\u003c\/strong\u003e\u003cbr\u003e\nA: Yes. The upgraded exhaust routing and valve-controlled configuration are designed to provide a deeper and more aggressive exhaust character compared with the factory system.\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eQ: Can this exhaust be used with aftermarket headers or midpipes?\u003c\/strong\u003e\u003cbr\u003e\nA: Compatibility depends on the pipe dimensions and connection layout of the aftermarket components. Please verify all exhaust connection points before installation.\n\u003c\/p\u003e\n\n\u003cp\u003e\n\u003cstrong\u003eQ: Is professional installation recommended?\u003c\/strong\u003e\u003cbr\u003e\nA: Yes. Professional installation is recommended to ensure correct exhaust alignment, proper valve connection, secure hanger installation, correct tip positioning, and leak-free operation.\n\u003c\/p\u003e\n\n\n\u003ch5\u003e\u003cspan style=\"text-decoration: underline;\"\u003e\u003cstrong\u003eWarranty \u0026amp; Shipping\u003c\/strong\u003e\u003c\/span\u003e\u003c\/h5\u003e\n\n\u003cp\u003e\nEvery KYOSTAR exhaust system is inspected before shipment to ensure product condition, pipe construction, valve components, exhaust sections, connection points, and packaging integrity before delivery.\n\u003c\/p\u003e\n\n\u003cp\u003e\nAll components are securely packaged to help reduce the risk of transportation damage. Please inspect the package and exhaust components after delivery and contact our support team if you notice missing components, shipping damage, or product-related concerns.\n\u003c\/p\u003e\n\n\u003cp\u003e\nPlease contact KYOSTAR customer support if you need assistance with vehicle fitment, installation questions, valve system questions, missing components, or after-sales service.\n\u003c\/p\u003e\n\n\u003c\/div\u003e","brand":"KYOSTAR","offers":[{"title":"Ships from U.S. Warehouse","offer_id":54277462327569,"sku":"NA-CB-5080-SS-WG-1","price":1049.0,"currency_code":"USD","in_stock":false},{"title":"Factory Direct Shipping","offer_id":54277462360337,"sku":"NA-CB-5080-SS-WG-2","price":1099.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0919\/7361\/5889\/files\/NA-CB-5080-SS-WG_7.jpg?v=1787044150","url":"https:\/\/www.kyostars.com\/products\/kyostar-valved-sport-cat-back-exhaust-system-for-bmw-e90-e92-e93-m3-2008-2013","provider":"KYOSTAR PERFORMANCE","version":"1.0","type":"link"}