{"product_id":"bmw-m3-m4-f80-f82-f83-equal-length-valved-sport-catback-exhaust","title":"BMW M3\/M4 F80\/F82\/F83 3.0T Equal-Length Valved Sport Catback Exhaust System","description":"\u003ch2\u003eRefined Acoustic Perfection \u0026amp; Pure Flow — CEES BMW M3\/M4 F80\/F82\/F83 Equal-Length Valved Sport Catback Exhaust System\u003c\/h2\u003e\n\u003cp\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0582\/7539\/7747\/files\/bc62bd0477e76689233b886adda2ce5e.jpg?v=1775321388\" alt=\"BMW F80 F82 F83 Equal-Length Valved Sport Catback Exhaust System\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0582\/7539\/7747\/files\/TIPS.webp?v=1762582937\" alt=\"CEES Exhaust Tips for BMW F80 F82 F83\"\u003e\u003c\/p\u003e\n\u003cp\u003eEngineered specifically for the \u003cb\u003e2015–2019 BMW M3 F80 Sedan and BMW M4 F82 Coupe \/ F83 Convertible 3.0T S55 platform\u003c\/b\u003e, the CEES Equal-Length Valved Sport Catback Exhaust System delivers the ultimate combination of acoustic refinement and high-flow performance. By harmonizing the uneven exhaust pulses inherent in the twin-turbo S55 engine, the equal-length geometry eliminates unpleasant rasp while unlocking an exotic, smooth, and high-pitched inline-six soundtrack. Integrated electronic valves give you complete on-demand control over your exhaust sound profile.\u003c\/p\u003e\n\u003ch3\u003e🚀 Engineering Highlights\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eEqual-Length Runner Architecture:\u003c\/b\u003e Precisely tuned piping lengths balance exhaust gas pulses from both turbochargers, effectively eliminating S55 exhaust rasp and creating a refined, exotic pitch.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDual-Mode Electronic Valve Control:\u003c\/b\u003e Switch seamlessly between a comfortable, drone-free tone for highway commuting (valves closed) and an aggressive, raw motorsport roar under heavy acceleration (valves open).\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eHigh-Grade Titanium Construction:\u003c\/b\u003e Fabricated from premium lightweight titanium alloy, dramatically reducing rear axle weight while offering exceptional heat dissipation and corrosion resistance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003ePrecision TIG Welded:\u003c\/b\u003e Hand-crafted with meticulous TIG welds and smooth mandrel bends to ensure optimal flow velocity and structural integrity under high exhaust temperatures.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eDirect Bolt-On Fitment:\u003c\/b\u003e Engineered using 3D scanning to fit factory mounting points and compatible connections without permanent chassis modifications.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003e📊 Technical Specifications\u003c\/h3\u003e\n\u003ctable\u003e\n\u003ctbody\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eFitment\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e2015–2019 BMW M3 F80 Sedan \/ BMW M4 F82 Coupe \u0026amp; F83 Convertible (3.0T Twin-Turbo S55)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eSystem Type\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eEqual-Length Valved Sport Catback Exhaust System\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eValve Control\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eValvetronic System (Remote \/ Controller operated)\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eMaterial\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e\u003cspan\u003eT304 stainless steel\/GRADE 5 TITANIUM\u003c\/span\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eInstallation\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eDirect bolt-on fitment; professional installation recommended\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003ePlace of Origin\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003eGuangdong, China\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003ctr\u003e\n\u003ctd\u003e\u003cb\u003eWarranty\u003c\/b\u003e\u003c\/td\u003e\n\u003ctd\u003e1-Year\u003c\/td\u003e\n\u003c\/tr\u003e\n\u003c\/tbody\u003e\n\u003c\/table\u003e\n\u003chr\u003e\n\u003cp\u003e\u003ca style=\"display: inline-block; background-color: #25d366; color: #ffffff; padding: 12px 24px; border-radius: 6px; text-decoration: none; font-weight: bold; font-size: 16px;\" rel=\"noopener noreferrer\" href=\"https:\/\/wa.me\/8615626172519\" target=\"_blank\"\u003e✨ Customize Your M Build — Chat with Our Specialists on WhatsApp\u003c\/a\u003e\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003eWhatsApp:\u003c\/b\u003e +86 15626172519\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003eEmail:\u003c\/b\u003e cees-exhaust@qq.com\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch3\u003e📦 Production \u0026amp; Shipping\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cb\u003e🛠️ Production Time:\u003c\/b\u003e Built to order in \u003cb\u003e2–4 weeks\u003c\/b\u003e with multi-point factory inspection.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003e🚚 Shipping:\u003c\/b\u003e Expedited air freight via DHL \/ FedEx \/ UPS — estimated \u003cb\u003e7–15 business days\u003c\/b\u003e door-to-door.\u003c\/li\u003e\n\u003cli\u003e\n\u003cb\u003e📦 Packaging:\u003c\/b\u003e Heavy-duty reinforced protective crating ensures damage-free global transit.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003eFAQ\u003c\/h2\u003e\n\u003cp\u003e\u003cb\u003e1. Which BMW models does this equal-length valved system fit?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eThis catback exhaust is designed specifically for the 2015–2019 BMW M3 F80 Sedan and BMW M4 F82 Coupe \/ F83 Convertible powered by the 3.0T S55 twin-turbo engine. Please verify your exact model year, body style, and existing midpipe configuration prior to ordering.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e2. Why is equal-length design important for the BMW S55?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eFrom the factory, the twin turbochargers produce uneven exhaust paths, creating an uneven pulse collision often described as harsh or raspy. Our equal-length layout equalizes the runner lengths so pulses meet smoothly, converting that rasp into a clean, resonant, and high-pitched acoustic note.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e3. How does the electronic valve system work?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eThe system features dual electronic valves powered by electric servomotors. You can switch between valves closed (OEM-plus refined cruising with zero drone) and valves open (unrestricted high-flow sports exhaust sound) using the supplied remote control kit.\u003c\/p\u003e\n\u003cp\u003e\u003cb\u003e4. Are you a direct manufacturer?\u003c\/b\u003e\u003c\/p\u003e\n\u003cp\u003eYes. CEES Exhaust is a direct performance exhaust manufacturer based in Guangdong, China. We build custom-crafted exhaust systems with exacting standards and direct technical support.\u003c\/p\u003e\n\u003cp\u003e\u003cmeta charset=\"utf-8\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0582\/7539\/7747\/files\/e8d359b7ce873530e19a12cff70af115.jpg?v=1783407649\" alt=\"CEES Exhaust Direct Manufacturer Guangdong\"\u003e\u003c\/p\u003e","brand":"ceesexhaust","offers":[{"title":"SS304 Catbck","offer_id":48376882397299,"sku":"CEES-BMW-F8X-CB-SS","price":1399.0,"currency_code":"USD","in_stock":true},{"title":"Titanium Catback","offer_id":48376882430067,"sku":"CEES-BMW-F8X-CB-TI","price":2199.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0582\/7539\/7747\/files\/F80_M3_exhaust_2fda4f98-a33c-4173-b5e3-d624da567305.jpg?v=1789809895","url":"https:\/\/cees-exhaust.com\/fr\/products\/bmw-m3-m4-f80-f82-f83-equal-length-valved-sport-catback-exhaust","provider":"ceesexhaust","version":"1.0","type":"link"}