{"product_id":"milltek-equal-length-cat-back-exhaust-for-bmw-f80-m3-f82-m4-polished-tips-ssxbm1146","title":"Milltek Equal Length Cat-Back Exhaust for BMW F80 M3 F82 M4, Polished Tips","description":"\u003cp\u003eDirect factory replacement cat-back exhaust system for BMW F80 M3 and F82 M4 (non-convertible). Hand-finished T304L stainless steel construction with mandrel-bent piping and polished tailpipe trims. Equal-length design delivers the signature aggressive tone and maximum volume character across the full RPM range, with dyno-proven gains and OEM+ fitment using factory hangers and mounting points.\u003c\/p\u003e\n\u003cp\u003eEngineered for closed-course driving and track use. Made from T304L stainless steel with precision CNC-formed collectors and hangers. No modification to factory fuel tank or suspension required. Available in resonated and non-resonated configurations to suit your preferred acoustic character.\u003c\/p\u003e\n\u003cul\u003e\n\u003cli\u003eEqual-length primaries for linear throttle response and aggressive full-load tone\u003c\/li\u003e\n\u003cli\u003eT304L stainless steel construction with hand-finished welds\u003c\/li\u003e\n\u003cli\u003ePolished stainless steel tailpipe trims\u003c\/li\u003e\n\u003cli\u003eDirect bolt-on installation - uses OEM hangers and mounting points\u003c\/li\u003e\n\u003cli\u003eDoes not fit convertible (F83) models\u003c\/li\u003e\n\u003cli\u003eDyno-tested for measurable power gains and engineered exhaust tone\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003eMilltek cat-back systems are engineered for serious M-car enthusiasts seeking real performance gains, precise sound engineering, and the build quality of hand-finished British stainless steel manufacturing.\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\u003e2015-2018 BMW M3 Base\u003c\/li\u003e\n\u003cli\u003e2015-2018 BMW M4 Base\u003c\/li\u003e\n\u003cli\u003e2016 BMW M4 GTS\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Milltek","offers":[{"title":"Default Title","offer_id":60150722822430,"sku":"MILSSXBM1146","price":2941.43,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0759\/7965\/3406\/files\/SSXBM1146_1.jpg?v=1791254997","url":"https:\/\/shop.signatureautohaus.com\/products\/milltek-equal-length-cat-back-exhaust-for-bmw-f80-m3-f82-m4-polished-tips-ssxbm1146","provider":"Signature Autohaus","version":"1.0","type":"link"}