{"product_id":"milltek-opf-back-exhaust-for-bmw-g20-21-m340i-g22-m440i-oe-tips-ssxbm1157","title":"Milltek OPF Back Exhaust for BMW G20\/21 M340i \u0026 G22 M440i, OE Tips","description":"\u003cp\u003eDirect factory replacement OPF back exhaust system for BMW G20\/21 M340i and G22 M440i models. Uses OEM tailpipe trims, requiring no modification to your vehicle. Hand-finished T304L stainless steel construction with mandrel-bent piping engineered for optimal flow and tone character across the rev range.\u003c\/p\u003e\n\u003cp\u003e Available in multiple configurations to suit your performance and sound preferences. Each system is dyno-tested and designed as a complete direct replacement for the original equipment, maintaining factory fitment points and OE hanger compatibility. \u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eT304L hand-finished stainless steel construction\u003c\/li\u003e\n\u003cli\u003eMandrel-bent tubing for optimized flow\u003c\/li\u003e\n\u003cli\u003eOPF-compatible, no secondary catalyst removal required\u003c\/li\u003e\n\u003cli\u003eUses original BMW tailpipe trims\u003c\/li\u003e\n\u003cli\u003eDirect OEM+ fitment - no modification needed\u003c\/li\u003e\n\u003cli\u003eMultiple valve and resonance configurations available\u003c\/li\u003e\n\u003cli\u003eEC type-approved for European market\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eEngineered to deliver measurable performance gains while preserving the engineered tone character your M340i or M440i demands. Select your preferred configuration above to view system specifications and sound profile options.\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 M340i Base\u003c\/li\u003e\n\u003cli\u003e2021-2026 BMW M440i Base\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Milltek","offers":[{"title":"Default Title","offer_id":60150724559134,"sku":"MILSSXBM1157","price":2134.65,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0759\/7965\/3406\/files\/SSXBM1157_1.jpg?v=1791255042","url":"https:\/\/shop.signatureautohaus.com\/products\/milltek-opf-back-exhaust-for-bmw-g20-21-m340i-g22-m440i-oe-tips-ssxbm1157","provider":"Signature Autohaus","version":"1.0","type":"link"}