{"product_id":"milltek-80mm-opf-gpf-back-exhaust-for-bmw-g8x-m3-m4-burnt-titanium-tips-ssxbm1320","title":"Milltek 80mm OPF\/GPF-Back Exhaust for BMW G8X M3 M4, Burnt Titanium Tips","description":"\u003cp\u003eOPF\/GPF-back performance exhaust system for BMW G8X M3 and M4 (2020+). Direct factory fitment with centre resonator bypass valve and GT-115 burnt\/blue titanium trims. OE particulate filter removal required.\u003c\/p\u003e\n\u003cp\u003eHand-finished T304L stainless steel construction, mandrel-bent throughout. CNC-formed titanium trim options. Valved centre resonator tuned to compensate for OPF\/GPF sound-dampening characteristics while maintaining street-legal compliance. Engineered tone character optimized for M3\/M4 powertrains.\u003c\/p\u003e\n\u003cp\u003eFitment:\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eBMW M3 G80 (S58 engine, 2020+)\u003c\/li\u003e\n\u003cli\u003eBMW M4 G82\/G83 (S58 engine, 2020+)\u003c\/li\u003e\n\u003cli\u003eRequires OE OPF\/GPF removal - no factory hangers modify required post-cut\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e Hand-crafted precision, dyno-proven performance gains, and engineered resonance tuning that sets performance exhausts apart from universal-fit alternatives. \u003c\/p\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":60150793994526,"sku":"MILSSXBM1320","price":4922.0,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0759\/7965\/3406\/files\/SSXBM1320_1.jpg?v=1791255527","url":"https:\/\/shop.signatureautohaus.com\/products\/milltek-80mm-opf-gpf-back-exhaust-for-bmw-g8x-m3-m4-burnt-titanium-tips-ssxbm1320","provider":"Signature Autohaus","version":"1.0","type":"link"}