{"product_id":"milltek-non-resonated-cat-back-exhaust-for-bmw-4-series-f32-428i-auto-435i-style-dual-outlet-cerakote-black-tips-ssxbm1014","title":"Milltek Non-Resonated Cat-Back Exhaust for BMW 4 Series F32 428i Auto 435i-Style Dual Outlet, Cerakote Black Tips","description":"\u003cp\u003eMilltek Non-Resonated Cat-Back Exhaust System for BMW 4 Series F32 (428i Auto and 435i models). This is a direct factory replacement offering increased volume and aggressive tone character compared to the original system, hand-finished T304L stainless steel construction with Cerakote Black polished trims. Mandrel-bent piping and precision CNC-formed components ensure OEM+ fitment with no modifications required.\u003c\/p\u003e\u003cp\u003eAll systems use OEM hangers and bolt directly to existing mounting points. The non-resonated design eliminates internal chambers for maximum sound character at full throttle while maintaining composure at part load. T304L stainless steel resists corrosion through any climate. Requires 435i M Sport rear valance from BMW dealer for proper fitment with this system.\u003c\/p\u003e\u003cp\u003e Every system is dyno-tested and fine-tuned at our development center before shipment. \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":60150675374366,"sku":"MILSSXBM1014","price":1728.05,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0759\/7965\/3406\/files\/SSXBM1014_1.jpg?v=1791254475","url":"https:\/\/shop.signatureautohaus.com\/products\/milltek-non-resonated-cat-back-exhaust-for-bmw-4-series-f32-428i-auto-435i-style-dual-outlet-cerakote-black-tips-ssxbm1014","provider":"Signature Autohaus","version":"1.0","type":"link"}