{"product_id":"milltek-non-resonated-cat-back-exhaust-audi-b9-s4-s5-polished-tips-ssxau655","title":"Non-Resonated Cat-Back Exhaust | Audi B9 S4 S5 - Polished Tips | Milltek","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eMilltek Non-Resonated Cat-Back Exhaust System for Audi B9 S4 and S5 (Non Sport Diff models). Direct factory fitment using OEM hangers; no modification required. 2.50\" (63.50mm) mandrel-bent T304L stainless steel pipe with quad GT-90 polished tips.\u003c\/p\u003e\n\u003cp\u003eHand-finished T304L stainless construction resists corrosion and thermal cycling. Non-resonated design eliminates factory silencer constraints, tuning the exhaust note for full-throttle character without drone at cruise. Dyno-tested for measurable flow improvement over OEM.\u003c\/p\u003e\n\u003ch2\u003eDetails\u003c\/h2\u003e\n\u003ch3\u003eFitment Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAudi S4 3.0 Turbo V6 (TFSI) B9 Saloon\/Sedan - 2016+\u003c\/li\u003e\n\u003cli\u003eAudi S4 3.0 Turbo V6 (TFSI) B9 Avant - 2016+\u003c\/li\u003e\n\u003cli\u003eAudi S5 3.0 Turbo V6 (TFSI) B9 Sportback - 2017+\u003c\/li\u003e\n\u003cli\u003eNon Sport Differential models only\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\u003ch2\u003eFitment\u003c\/h2\u003e","brand":"Milltek","offers":[{"title":"Default Title","offer_id":68005543641390,"sku":"SSXAU655","price":2984.98,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0878\/1719\/1726\/files\/SSXAU655_1.jpg?v=1794451873","url":"https:\/\/shopicwp.com\/products\/milltek-non-resonated-cat-back-exhaust-audi-b9-s4-s5-polished-tips-ssxau655","provider":"Inner Circle Wheels and Performance","version":"1.0","type":"link"}