{"product_id":"milltek-non-resonated-cat-back-exhaust-for-bmw-4-series-f32-428i-auto-435i-style-dual-outlet-brushed-titanium-tips-ssxbm1022","title":"Milltek Non-Resonated Cat-Back Exhaust for BMW 4 Series F32 428i Auto 435i-Style Dual Outlet, Brushed Titanium Tips","description":"\u003cp\u003eMilltek non-resonated cat-back exhaust system for BMW 4 Series F32 (428i, 435i). Direct factory fitment replacement using OEM hangers and mounting points - no modification required. Hand-finished T304L stainless steel construction with CNC-formed titanium trim tips. Engineered to deliver a controlled, refined tone character while eliminating mid-range drone through precision resonance tuning.\u003c\/p\u003e\u003cp\u003eDesigned specifically for the F32 chassis with compatibility for M Sport rear valance (435i M Sport valance required as noted). Mandrel-bent piping ensures consistent diameter for optimal exhaust scavenging. All joints are TIG-welded and polished to Milltek's exacting standards. This configuration prioritizes refinement over volume - ideal for daily driving and street use where acoustic control matters.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBMW 4 Series F32 428i Auto\u003c\/li\u003e\n\u003cli\u003eBMW 4 Series F32 435i (requires 435i M Sport rear valance, sold separately)\u003c\/li\u003e\n\u003cli\u003eDirect OEM+ fitment - factory hangers and brackets compatible\u003c\/li\u003e\n\u003cli\u003eNon-resonated design - tuned to eliminate drone at highway cruising speeds\u003c\/li\u003e\n\u003c\/ul\u003e\u003cp\u003e Milltek systems are dyno-tested and EC-approved for European market compliance. \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\u003e2014-2016 BMW 428i Base\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Milltek","offers":[{"title":"Default Title","offer_id":60150692315422,"sku":"MILSSXBM1022","price":1927.07,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0759\/7965\/3406\/files\/SSXBM1022_1.jpg?v=1791254535","url":"https:\/\/shop.signatureautohaus.com\/products\/milltek-non-resonated-cat-back-exhaust-for-bmw-4-series-f32-428i-auto-435i-style-dual-outlet-brushed-titanium-tips-ssxbm1022","provider":"Signature Autohaus","version":"1.0","type":"link"}