{"product_id":"bmw-s58-exhaust-downpipe-flange-gasket-70mm-g8x-m2-m3-m4-f97-x3m-x4m","title":"BMW S58 Exhaust Downpipe Flange Gasket – 70mm | G8X M2\/M3\/M4, F97 X3M\/X4M","description":"\u003ch1\u003e\u003cstrong\u003eValvetronic Designs BMW G8X Flange Gasket\u003c\/strong\u003e\u003c\/h1\u003e\n\u003ch3\u003e70mm Stainless Steel Downpipe Gasket • S58 Twin-Turbo Inline-6\u003c\/h3\u003e\n\u003cp\u003e\u003cstrong\u003eOE Cross Reference: BMW 18308053348\u003c\/strong\u003e (18 30 8 053 348)\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003eA leak-free exhaust starts with a proper seal. The \u003cstrong\u003eValvetronic Designs 70mm Stainless Steel Flange Gasket\u003c\/strong\u003e is a direct-fit replacement for the downpipe flange connection on S58-powered BMW M models. Whether you're installing new downpipes, swapping exhaust components, or servicing your current setup, this gasket ensures a tight, reliable seal that holds up to high exhaust temperatures and boost.\u003c\/p\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cstrong\u003eFeatures\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e\n\u003cstrong\u003eStainless Steel Construction:\u003c\/strong\u003e Built to withstand extreme heat and repeated heat cycles without breaking down.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003e70mm Diameter:\u003c\/strong\u003e Precision-sized for the downpipe flange on the S58 platform.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eLeak-Free Seal:\u003c\/strong\u003e Prevents exhaust leaks that can cause ticking noises, lost performance, and check engine lights.\u003c\/li\u003e\n\u003cli\u003e\n\u003cstrong\u003eDirect Fit:\u003c\/strong\u003e Designed to work with Valvetronic Designs downpipes and exhaust systems as well as factory components.\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003chr\u003e\n\u003ch2\u003e\u003cstrong\u003eFitment\u003c\/strong\u003e\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eBMW G80 M3 \/ G82 M4 \/ G83 M4 Convertible\u003c\/li\u003e\n\u003cli\u003eG87 M2\u003c\/li\u003e\n\u003cli\u003eBMW F97 X3M \/ F98 X4M\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e\u003cem\u003eTip: Always install a new gasket when removing or replacing exhaust components for the best seal.\u003c\/em\u003e\u003c\/p\u003e\n\u003chr\u003e\n\u003cp\u003e📩 Questions or fitment confirmation? customerservice@valvetronic.com\u003c\/p\u003e","brand":"Valvetronic Designs","offers":[{"title":"Set of 1","offer_id":67619986210965,"sku":"VTD.FL.GSKT.G8X","price":29.99,"currency_code":"USD","in_stock":true},{"title":"Set of 2","offer_id":67619986243733,"sku":"VTD.FL.GSKT.G8X.X2","price":59.99,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0623\/3777\/7813\/files\/G8xGasketWhiteBackground.png?v=1790962399","url":"https:\/\/www.9tperformance.com\/products\/bmw-s58-exhaust-downpipe-flange-gasket-70mm-g8x-m2-m3-m4-f97-x3m-x4m","provider":"9T Performance","version":"1.0","type":"link"}