{"product_id":"bmw-m3-m4-valvetronic-catback-exhaust-system-wstn-performance","title":"BMW M3\/M4 Valved Catback Exhaust 2021-2026 (S58 G80) | WSTN Performance","description":"\u003ch1 class=\"p3\"\u003eDescription\u003c\/h1\u003e\n\u003ch4 class=\"p1\"\u003e\n\u003cb\u003eWant your M3 or M4 to sound as good as it looks?\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\n\u003c\/h4\u003e\n\u003cp class=\"p2\"\u003eThe \u003cspan class=\"s1\"\u003e\u003cb\u003eWSTN Valved Exhaust System\u003c\/b\u003e\u003c\/span\u003e transforms your S58-powered M car, sharper throttle response, lighter weight, and instant control over your exhaust tone with the push of a button. Built from true\u003cspan class=\"s1\"\u003e\u003cb\u003e \u003c\/b\u003estainless steel\u003c\/span\u003e, this system delivers raw performance and refinement in one package made to handle everything from daily drives to full-throttle runs.\u003c\/p\u003e\n\u003ch2 class=\"p1\"\u003e\n\u003cb\u003eWhy Upgrade?\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\n\u003c\/h2\u003e\n\u003cp class=\"p2\"\u003e✅ Switch between muffled and straight piped, refined and aggressive tone using the \u003cspan class=\"s1\"\u003e\u003cb\u003eelectronic valve control system\u003c\/b\u003e\u003c\/span\u003e (remote included)\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e✅ Built to premium-brand specifications\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e✅ Gain throttle response and deeper tone with \u003cspan class=\"s1\"\u003e\u003cb\u003e3.5\" mandrel-bent piping\u003c\/b\u003e\u003c\/span\u003e and reduced backpressure\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e✅ Drop \u003cspan class=\"s1\"\u003e\u003cb\u003e11 kg\u003c\/b\u003e\u003c\/span\u003e from the factory system for improved handling and sound\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e✅ Dual-walled \u003cspan class=\"s1\"\u003e\u003cb\u003eblack chrome tips\u003c\/b\u003e\u003c\/span\u003e for a motorsport-inspired finish\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e✅ Constructed from\u003cspan class=\"s1\"\u003e\u003cb\u003e stainless steel\u003c\/b\u003e\u003c\/span\u003e, resists corrosion, heat, and cracking\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e✅ Direct bolt-on fit, no cutting or welding required\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e✅ \u003cstrong\u003e1-Year No BS Warranty\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2 class=\"p1\"\u003e\n\u003cb\u003eFitment \u0026amp; Compatibility\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\n\u003c\/h2\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s2\"\u003e✔️ \u003c\/span\u003e\u003cb\u003eBMW G80 M3 Sedan (2020 +)\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s2\"\u003e✔️ \u003c\/span\u003e\u003cb\u003eBMW G82 M4 Coupe (2020 +)\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p1\"\u003e\u003cspan class=\"s2\"\u003e✔️ \u003c\/span\u003e\u003cb\u003eBMW G83 M4 Convertible (2020 +)\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\u003c\/p\u003e\n\u003cp class=\"p2\"\u003e\u003cstrong\u003e✔️ Designed for S58 twin-turbo engines\u003c\/strong\u003e\u003c\/p\u003e\n\u003ch2 class=\"p1\"\u003e\n\u003cb\u003eIn the Box\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\n\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cp class=\"p1\"\u003e1 × WSTN Performance Valved Exhaust System\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli\u003e\n\u003cp class=\"p1\"\u003e1 × Remote Control Unit (for valve operation)\u003c\/p\u003e\n\u003c\/li\u003e\n\u003cli class=\"p1\"\u003e1 × Full Fitting Kit (Gaskets, Clamps, Bolts)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch2\u003e\n\u003cb\u003eInstallation\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\n\u003c\/h2\u003e\n\u003cp\u003e🛠️ \u003cspan class=\"s1\"\u003e\u003cb\u003eFitment:\u003c\/b\u003e\u003c\/span\u003e Direct OEM-style bolt-on, mounts cleanly to factory points\u003c\/p\u003e\n\u003cp\u003e⏱️ \u003cspan class=\"s1\"\u003e\u003cb\u003eInstall Time:\u003c\/b\u003e\u003c\/span\u003e ~2 hours (professional installation recommended)\u003c\/p\u003e\n\u003cp\u003e📦 \u003cspan class=\"s1\"\u003e\u003cb\u003eIncludes:\u003c\/b\u003e\u003c\/span\u003e Everything required for DIY setup\u003c\/p\u003e\n\u003ch2\u003e\n\u003cb\u003eWhy WSTN Performance?\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\n\u003c\/h2\u003e\n\u003cp\u003e✅ \u003cspan class=\"s1\"\u003e\u003cb\u003eTrue Stainless Steel - \u003c\/b\u003e\u003c\/span\u003eNever mild steel or coated alternatives\u003c\/p\u003e\n\u003cp\u003e✅ \u003cspan class=\"s1\"\u003e\u003cb\u003eEngineered Fitment - \u003c\/b\u003e\u003c\/span\u003eEach system is model-specific and CNC-formed for precision\u003c\/p\u003e\n\u003cp\u003e✅ \u003cspan class=\"s1\"\u003e\u003cb\u003ePerformance You Can Feel - \u003c\/b\u003e\u003c\/span\u003eLighter, stronger, and tuned for balanced volume\u003c\/p\u003e\n\u003ch2\u003e\n\u003cb\u003eBring Your M Car to Life\u003c\/b\u003e\u003cb\u003e\u003c\/b\u003e\n\u003c\/h2\u003e\n\u003cp\u003eRefined when you need it. Brutal when you want it.\u003c\/p\u003e\n\u003ch1\u003eWarranty \/ Shipping\u003c\/h1\u003e\n\u003ch3\u003e\u003cstrong\u003eDISCLAIMER\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eWSTN Performance components are designed for track and competition use. To protect your build and ensure a perfect finish, we recommend professional installation by a certified specialist\/workshop. It is the buyer's responsibility to ensure modifications comply with local regulations.\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eWARRANTY\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eWe stand behind every product we curate. All parts feature a minimum one-year manufacturer's warranty as standard. This covers any manufacturing defects, giving you total peace of mind that your upgrade is built to last. \u003ca href=\"https:\/\/wstnperformance.com.au\/pages\/warranty-policy\" target=\"_blank\"\u003eView our full Warranty policy page here.\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eSHIPPING\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eWe offer tracked worldwide shipping on our entire catalogue. Most of our products are built-to-order: hand-crafted to your engine code, personally quality-checked in Perth WA, and dispatched worldwide. In-stock items dispatch within 2–4 days. All items arrive with full tracking. \u003ca href=\"https:\/\/www.google.com\/search?q=https:\/\/wstnperformance.com.au\/pages\/shipping-policy\" target=\"_blank\"\u003eView our full Shipping policy page here.\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eRETURNS\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eWe offer returns on all products if items are damaged or there is something wrong. If we ever make a mistake, we'll cover the return shipping to make it right. \u003ca href=\"https:\/\/www.google.com\/search?q=https:\/\/wstnperformance.com.au\/pages\/refund-policy\" target=\"_blank\"\u003eView our full Return policy page here.\u003c\/a\u003e\u003c\/p\u003e\n\u003ch3\u003e\u003cstrong\u003eSUPPORT\u003c\/strong\u003e\u003c\/h3\u003e\n\u003cp\u003eNeed a hand with fitment, shipping, or a return? Our Perth-based team is here to help you get your build perfect. \u003c\/p\u003e\n\u003cp\u003e\u003cstrong\u003eEmail:\u003c\/strong\u003e contact@wstnperformance.com\u003c\/p\u003e\n\u003ch1\u003eSOUND CLIP\u003c\/h1\u003e","brand":"WSTN Performance","offers":[{"title":"Default Title","offer_id":48529315332342,"sku":"WSTN-G8X-S58-VCES","price":2035.0,"currency_code":"AUD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0656\/2955\/2886\/files\/Hdc8363315be34a5ebf98f80551880934D.jpg?v=1763046801","url":"https:\/\/wstnperformance.com.au\/products\/bmw-m3-m4-valvetronic-catback-exhaust-system-wstn-performance","provider":"wstnperformance","version":"1.0","type":"link"}