{"product_id":"milltek-80mm-opf-gpf-back-exhaust-for-bmw-g8x-m3-m4-brushed-titanium-tips-ssxbm1319","title":"Milltek 80mm OPF\/GPF Back Exhaust for BMW G8X M3 M4, Brushed Titanium Tips","description":"\u003cp\u003eThe Milltek 80mm Cat Back OPF\/GPF Back Exhaust System with Centre Resonator Bypass is engineered specifically for BMW G8X M3 and M4 models (S58 engine). This direct factory fitment system replaces the factory OPF\/GPF unit and connects to the OEM rear silencer, requiring no modification to existing components.\u003c\/p\u003e\n\u003cp\u003eConstructed from T304L stainless steel with mandrel-bent tubing and CNC-formed junctions, this system features a 3.15\" (80mm) primary bore. The non-resonated design eliminates the centre resonator for a more direct exhaust path and engineered tone character across the rev range. GT-115 brushed titanium trim options available. Hand-finished construction meets Milltek's standard for precision fitment and durability.\u003c\/p\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eBMW M3 G8X (S58 engine)\u003c\/li\u003e\n\u003cli\u003eBMW M4 G8X (S58 engine)\u003c\/li\u003e\n\u003cli\u003eDirect OEM+ fitment - uses factory hangers and mounting points\u003c\/li\u003e\n\u003cli\u003eOPF\/GPF compliant for emissions regulations\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eFits OE system.\u003c\/p\u003e\n\u003cp\u003eDesigned and manufactured in the UK with 40+ years of performance exhaust heritage. Tested at the Nurburgring.\u003c\/p\u003e\n\u003ch3\u003eVehicle fitment\u003c\/h3\u003e\n\u003cul class=\"fitment-list\"\u003e\n\u003cli\u003e2021-2026 BMW M3 Competition\u003c\/li\u003e\n\u003cli\u003e2021-2026 BMW M4 Competition\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Milltek","offers":[{"title":"Default Title","offer_id":60150793240862,"sku":"MILSSXBM1319","price":4708.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0759\/7965\/3406\/files\/SSXBM1319_1.jpg?v=1791255520","url":"https:\/\/shop.signatureautohaus.com\/products\/milltek-80mm-opf-gpf-back-exhaust-for-bmw-g8x-m3-m4-brushed-titanium-tips-ssxbm1319","provider":"Signature Autohaus","version":"1.0","type":"link"}