{"product_id":"milltek-opf-back-exhaust-bmw-g20-m340i-amp-g22-m440i-polished-tips-ssxbm1158","title":"OPF Back Exhaust | BMW G20 M340i \u0026 G22 M440i - Polished Tips | Milltek","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eDirect-fit OPF back exhaust system for BMW G20\/G21 M340i and G22 M440i, engineered to replace the factory gasoline particulate filter section while maintaining full emissions compliance. Quad GT-100 polished tailpipes deliver aggressive stance and refined tone character across the rev range.\u003c\/p\u003e\n\u003cp\u003eHand-finished T304L stainless steel construction with mandrel-bent piping ensures durability and consistent flow. System uses original BMW hangers and mounting points-no modifications required. Available in resonated and non-resonated configurations to suit street or closed-course application.\u003c\/p\u003e\n\u003ch2\u003eDetails\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003eFitment: BMW G20 M340i (2021+), BMW G21 M340i Touring (2020-2023), BMW G22 M440i (2021-2023)\u003c\/li\u003e\n\u003cli\u003eMaterial: T304L stainless steel, hand-finished\u003c\/li\u003e\n\u003cli\u003eTailpipes: Quad GT-100 polished trims\u003c\/li\u003e\n\u003cli\u003eInstallation: OEM+ fitment, no cutting or welding\u003c\/li\u003e\n\u003cli\u003eConfiguration: Select resonated or non-resonated variant at checkout\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e Milltek exhausts are precision-manufactured and designed for measurable performance gains alongside refined acoustic character-built to perform, not simply fitted and forgotten. \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\u003ch2\u003eFitment\u003c\/h2\u003e","brand":"Milltek","offers":[{"title":"Default Title","offer_id":68005559894318,"sku":"SSXBM1158","price":2240.1,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0878\/1719\/1726\/files\/SSXBM1158_1.jpg?v=1794452093","url":"https:\/\/shopicwp.com\/products\/milltek-opf-back-exhaust-bmw-g20-m340i-amp-g22-m440i-polished-tips-ssxbm1158","provider":"Inner Circle Wheels and Performance","version":"1.0","type":"link"}