{"product_id":"milltek-non-resonated-cat-back-exhaust-audi-b85-s5-polished-tips-ssxau409","title":"Non-Resonated Cat-Back Exhaust | Audi B8.5 S5 | Milltek","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eMilltek Non-Resonated Cat-Back Exhaust System for the Audi B8.5 S5 Coupe and Cabriolet (3.0 TFSI). Direct factory fitment using OEM hangers; no modification required. Replaces the complete cat-back section from the secondary catalytic converter rearward.\u003c\/p\u003e\n\u003cp\u003eConstructed from T304L stainless steel with 2.37\" (60.30mm) mandrel-bent piping. Hand-finished polished quad outlet trims. The non-resonated design eliminates the OEM resonance chamber, delivering an engineered tone that emphasizes full-throttle character without drone at cruise. Uses the factory valve location for OEM valve compatibility where equipped.\u003c\/p\u003e\n\u003ch2\u003eDetails\u003c\/h2\u003e\n\u003cul\u003e\n\u003cli\u003e2.37\" mandrel-bent T304L stainless steel construction\u003c\/li\u003e\n\u003cli\u003eDirect cat-back fitment (secondary cats to tailpipe)\u003c\/li\u003e\n\u003cli\u003eHand-finished polished quad outlet trims\u003c\/li\u003e\n\u003cli\u003eOEM+ installation using factory hangers\u003c\/li\u003e\n\u003cli\u003eNon-resonated for road and track use\u003c\/li\u003e\n\u003cli\u003eDyno-proven flow improvement over OEM\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e Engineered to Exhilarate. \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\u003ch2\u003eFitment\u003c\/h2\u003e","brand":"Milltek","offers":[{"title":"Polished","offer_id":68005513527598,"sku":"SSXAU409","price":2503.85,"currency_code":"USD","in_stock":true},{"title":"Cerakote Black","offer_id":68013118587182,"sku":"SSXAU411","price":2720.31,"currency_code":"USD","in_stock":false}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0878\/1719\/1726\/files\/SSXAU409_1.jpg?v=1794451660","url":"https:\/\/shopicwp.com\/products\/milltek-non-resonated-cat-back-exhaust-audi-b85-s5-polished-tips-ssxau409","provider":"Inner Circle Wheels and Performance","version":"1.0","type":"link"}