{"product_id":"bmw-g80-m3-g82-m4-valved-catback-exhaust-system-2021-2025-performance-sound-oem-valve-control-compatible","title":"Top Speed Pro-1 BMW G80 M3 \/ G82 M4 Valved Performance Catback Exhaust System (2021–2025)","description":"\u003ch2\u003eTop Speed Pro-1 Valved Catback Exhaust System\u003c\/h2\u003e\n\u003cp\u003e\u003cstrong\u003eBMW G80 M3 \/ G82 M4 (2021–2025) | Performance Sound with OEM Valve Control\u003c\/strong\u003e\u003c\/p\u003e\n\u003cp\u003eEnhance both performance and sound on your BMW G80 M3 or G82 M4 with the \u003cstrong\u003eTop Speed Pro-1 valved catback exhaust system\u003c\/strong\u003e. Engineered to deliver a bold, aggressive exhaust note while maintaining full \u003cstrong\u003eOEM electronic valve functionality\u003c\/strong\u003e, this system adapts seamlessly to your driving modes and preferences.\u003c\/p\u003e\n\u003cp\u003eConstructed from premium \u003cstrong\u003estainless steel\u003c\/strong\u003e, the exhaust features \u003cstrong\u003emandrel-bent piping\u003c\/strong\u003e and hand-finished \u003cstrong\u003eTIG-welded construction\u003c\/strong\u003e for optimal exhaust flow, durability, and a clean professional finish.\u003c\/p\u003e\n\u003cp\u003eThis system is designed to work directly with the factory valve control system. \u003cstrong\u003eOEM electronic valve modules must be transferred\u003c\/strong\u003e during installation to retain full valve operation.\u003c\/p\u003e\n\u003ch3\u003eKey Features\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eOEM valve integration\u003c\/strong\u003e – retains factory electronic valve control\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDeep, aggressive tone\u003c\/strong\u003e under throttle with refined cruising sound\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eMandrel-bent stainless steel piping\u003c\/strong\u003e for improved exhaust flow\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eHand TIG-welded construction\u003c\/strong\u003e for strength and precision\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect bolt-on fitment\u003c\/strong\u003e with OEM valve system compatibility\u003c\/li\u003e\n\u003cli\u003eActual sound clips available\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eVehicle Fitment\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBMW G80 M3 Sedan (2021–2025)\u003c\/li\u003e\n\u003cli\u003eBMW G82 M4 Coupe (2021–2025)\u003c\/li\u003e\n\u003cli\u003eFits \u003cstrong\u003e3.0L twin-turbo S58\u003c\/strong\u003e engines with factory exhaust valves\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eInstallation Note\u003c\/h3\u003e\n\u003cp\u003eFactory \u003cstrong\u003eOEM electronic valve modules must be transferred\u003c\/strong\u003e to the new exhaust system. Professional installation is recommended to ensure proper valve operation and fitment.\u003c\/p\u003e\n\u003ch3\u003eSound Policy\u003c\/h3\u003e\n\u003cp\u003eExhaust sound characteristics may vary based on vehicle configuration, driving mode, and conditions. \u003cstrong\u003eReturns will not be accepted\u003c\/strong\u003e based on individual sound preference.\u003c\/p\u003e\n\u003ch3\u003eShipping Information\u003c\/h3\u003e\n\u003cp\u003eShipping rates apply to the \u003cstrong\u003e48 contiguous U.S. states\u003c\/strong\u003e only.\u003cbr\u003eFor shipping to \u003cstrong\u003eAlaska, Hawaii, Puerto Rico, Guam, U.S. Virgin Islands\u003c\/strong\u003e, or \u003cstrong\u003einternational destinations\u003c\/strong\u003e, please contact us for a custom shipping quote.\u003c\/p\u003e\n\u003cp\u003e\u003ca href=\"https:\/\/store-zhf5gt60.mybigcommerce.com\/content\/installation-guide-dual-exit-exhaust.pdf\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0722\/1388\/9047\/files\/installation.png?v=1760652538\" alt=\"\" width=\"144\" height=\"60\"\u003e\u003c\/a\u003e\u003ca href=\"https:\/\/youtu.be\/yQ5JGfTZWr8?si=MYYY9V561Rcle4-W\"\u003e\u003cimg src=\"https:\/\/cdn.shopify.com\/s\/files\/1\/0722\/1388\/9047\/files\/3146788_youtube_logo_icon_1.png?v=1762468044\" alt=\"\" width=\"64\" height=\"64\"\u003e\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003eFrequently Asked Questions\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eWill this exhaust fit my BMW?\u003c\/strong\u003e\u003cbr\u003eYes. This system fits BMW G80 M3 Sedans and G82 M4 Coupes from 2021–2025 equipped with the 3.0L twin-turbo S58 engine and factory exhaust valve system.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDoes this exhaust support OEM valve control?\u003c\/strong\u003e\u003cbr\u003eYes. The factory electronic valve modules are transferred during installation, allowing full compatibility with OEM drive modes and valve operation.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eAre modifications required?\u003c\/strong\u003e\u003cbr\u003eNo vehicle modifications are required. This is a direct bolt-on system, though professional installation is strongly recommended.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eWhat sound should I expect?\u003c\/strong\u003e\u003cbr\u003eWith valves open, expect a deep, throaty, and aggressive tone. When closed, the exhaust remains refined and comfortable for daily driving.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eCan I return the exhaust if I don’t like the sound?\u003c\/strong\u003e\u003cbr\u003eNo. Returns are not accepted based on sound preference, as exhaust tone is subjective and varies by setup and driving conditions.\u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eDo you ship outside the U.S. mainland?\u003c\/strong\u003e\u003cbr\u003eYes. Shipping rates shown apply to the 48 contiguous U.S. states only. Please contact us for shipping quotes to non-continental U.S. locations or international destinations.\u003c\/p\u003e","brand":"Top Speed Pro1","offers":[{"title":"Default Title","offer_id":44089333809175,"sku":"CATBACK-BMWG80-M3","price":1699.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0722\/1388\/9047\/files\/catback-bmw-g80-m3-1__77446.jpg?v=1766605570","url":"https:\/\/topspeedpro1.myshopify.com\/products\/bmw-g80-m3-g82-m4-valved-catback-exhaust-system-2021-2025-performance-sound-oem-valve-control-compatible","provider":"Top Speed Pro1","version":"1.0","type":"link"}