{"product_id":"milltek-80mm-non-resonated-downpipe-back-exhaust-for-bmw-x3-g01-s58-polished-tips-ssxbm1199","title":"Milltek 80mm Non-Resonated Downpipe Back Exhaust for BMW X3 G01 S58, Polished Tips","description":"\u003cp\u003eMilltek 80mm Cat Back Non-Resonated Downpipe Back Exhaust system for BMW X3 G01 with S58 engine. Direct replacement for the OEM system, delivering a more aggressive tone and increased volume across the full throttle range. Hand-finished T304L stainless steel construction with mandrel-bent piping and polished twin outlets.\u003c\/p\u003e\u003cp\u003eThis system removes the OEM resonance chambers, amplifying engine character while maintaining street-legal compliance. Engineered for dyno-proven power gains and precise acoustic tuning. Uses OEM hangers and mounting points-no modification required. Designed to exhilarate with a signature Milltek tone that evolves with engine RPM, not constant drone.\u003c\/p\u003e\u003cp\u003e\u003cstrong\u003eFitment:\u003c\/strong\u003e\u003c\/p\u003e\u003cul\u003e\n\u003cli\u003eBMW X3 G01 (2018-present) with S58 engine\u003c\/li\u003e\n\u003cli\u003eDirect factory fitment\u003c\/li\u003e\n\u003cli\u003eOEM valve compatibility maintained\u003c\/li\u003e\n\u003c\/ul\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\u003e2022-2026 BMW X3 M\u003c\/li\u003e\n\u003cli\u003e2022-2026 BMW X3 M Competition\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Milltek","offers":[{"title":"Default Title","offer_id":60150729834782,"sku":"MILSSXBM1199","price":5176.66,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0759\/7965\/3406\/files\/SSXBM1199_1.jpg?v=1791255153","url":"https:\/\/shop.signatureautohaus.com\/products\/milltek-80mm-non-resonated-downpipe-back-exhaust-for-bmw-x3-g01-s58-polished-tips-ssxbm1199","provider":"Signature Autohaus","version":"1.0","type":"link"}