{"product_id":"polished-ss304-valvetronic-catback-exhaust-system-for-bmw-g20-m340i-g22-g23-m440i-b58-3-0l-twin-turbo-with-quad-carbon-tips","title":"Polished SS304 Valvetronic Catback Exhaust System for BMW G20 M340i G22 G23 M440i B58 3.0L Twin Turbo with Quad Carbon Tips","description":"\u003cdiv\u003e\n\u003ch3\u003eDESCRIPTION\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cdiv\u003e\n\u003cstrong\u003eRelease Deep Aggressive B58 Inline-Six Sound \u0026amp; Boost Exhaust Flow.\u003c\/strong\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\nThe factory muted exhaust system suppresses the full deep tone potential of BMW G20 M340i \/ G22 G23 M440i B58 3.0T inline-six engine and creates unnecessary flow restrictions. Our mirror polished SS304 electronic valve catback exhaust is a perfect street and track upgrade for B58 platform owners. Equipped with optimized high-flow mid pipe and balanced rear muffler chamber, this exhaust drastically cuts exhaust backpressure to unlock smoother airflow and noticeable power gains. Dual electronic valvetronic system supports two sound control ways: wireless remote key or mobile phone app, allowing you to freely switch between quiet drone-free daily mode and loud deep racing roar at any time. Crafted with smooth mandrel bent stainless steel and full airtight TIG welds, it delivers stable heat resistance and long service life. Matched quad carbon fiber tail tips upgrade the rear sport appearance, and OEM mounting design enables simple bolt-on installation without cutting or modification.\u003c\/div\u003e\n\u003cdiv\u003e\u003cbr\u003e\u003c\/div\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003eVEHICLE FITMENT\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eBMW M340i Sedan (G20) \u003c\/strong\u003e— All Years (3.0L B58 Twin-Turbo Inline Six Engine)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBMW M440i Coupe (G22)\u003c\/strong\u003e — All Years (3.0L B58 Twin-Turbo Inline Six Engine)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eBMW M440i Convertible (G23) \u003c\/strong\u003e— All Years (3.0L B58 Twin-Turbo Inline Six Engine)\u003cbr\u003e\n\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003eKEY FEATURES\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMirror Polished SS304 Stainless Steel Construction:\u003c\/strong\u003e High corrosion \u0026amp; heat resistant polished steel tubing, smooth mandrel bends reduce airflow turbulence for better performance.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDual Electronic Valvetronic Control System:\u003c\/strong\u003e Support wireless remote \u0026amp; mobile APP dual control, freely switch quiet daily cruising sound and aggressive track racing tone.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHigh Flow Balanced Mid \u0026amp; Rear Muffler Layout:\u003c\/strong\u003e Optimized mid pipe and rear muffler structure lower backpressure, deliver deep full-bodied B58 inline-six exhaust note without annoying cabin drone.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eQuad Matte Carbon Fiber Exhaust Tips:\u003c\/strong\u003e Four carbon fiber tail tips upgrade rear sport styling, create a fierce customized racing visual effect.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFull Professional TIG Seamless Welding:\u003c\/strong\u003e Smooth internal weld joints ensure 100% airtight sealing, prevent exhaust leaks under long-term high-temperature driving.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e100% Direct OEM Bolt-On Fitment:\u003c\/strong\u003e CNC precision bent pipes match factory hangers and flanges, no cutting, welding or extra fabrication required.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003eTECH SPECIFICATIONS\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eMaterial:\u003c\/strong\u003e Mirror Polished SS304 Stainless Steel\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eValve Type:\u003c\/strong\u003e Electronic Valvetronic (Remote \u0026amp; Mobile APP Dual Control)\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eTip Style:\u003c\/strong\u003e Quad Matte Carbon Fiber Tail Tips\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eSystem Type:\u003c\/strong\u003e High Flow Valved Mid Rear Catback Exhaust\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eWelding Process:\u003c\/strong\u003e Full Handcrafted TIG Seamless Welding\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eFitment Type:\u003c\/strong\u003e OEM Direct Bolt-On Replacement\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eCompatible Engine:\u003c\/strong\u003e B58 3.0L Twin-Turbo Inline Six\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003ch3\u003eWHAT'S IN THE BOX:\u003c\/h3\u003e\n\u003c\/div\u003e\n\u003cdiv\u003e\n\u003cul\u003e\n\u003cli\u003e1x Complete SS304 Valvetronic Mid Rear Catback Exhaust Assembly\u003c\/li\u003e\n\u003cli\u003e4x Matte Carbon Fiber Exhaust Tip Sleeves\u003c\/li\u003e\n\u003cli\u003eElectronic Valve Control Module, Dual Wireless Remotes \u0026amp; APP Wiring Harness\u003c\/li\u003e\n\u003cli\u003eFull Set OEM Matching Installation Clamps, Rubber Hangers \u0026amp; Hardware Kit\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003c\/div\u003e","brand":"Wanmax Racing","offers":[{"title":"Default Title","offer_id":54913925480820,"sku":null,"price":855.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0990\/7244\/2740\/files\/H395dbe8472e2411fa435567c31ab402cw.jpg?v=1783584904","url":"https:\/\/wanmaxracing.com\/products\/polished-ss304-valvetronic-catback-exhaust-system-for-bmw-g20-m340i-g22-g23-m440i-b58-3-0l-twin-turbo-with-quad-carbon-tips","provider":"Wanmax Racing","version":"1.0","type":"link"}