{"product_id":"milltek-non-resonated-cat-back-exhaust-audi-b9-s4-s5-cerakote-black-tips-ssxau656","title":"Non-Resonated Cat-Back Exhaust | Audi B9 S4 S5 - Cerakote Black Tips | Milltek","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eMilltek Non-Resonated Cat-Back Exhaust System for Audi B9 S4 and S5 (3.0L TFSI V6, non-sport differential models). Direct factory fitment replacement using OEM hangers; no modification required. 2.50\" (63.5mm) mandrel-bent T304L stainless steel construction with quad Cerakote Black oval tips.\u003c\/p\u003e\n\u003cp\u003eHand-finished T304L stainless steel provides superior corrosion resistance and durability. Non-resonated design eliminates OE resonance chambers for full-throttle character and aggressive tone on throttle and cruise. Decibel-tested to deliver pronounced sound signature without drone characteristics. Each system is dyno-proven for measurable exhaust flow improvement and potential horsepower\/torque gains on stock or modified engines.\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 TFSI V6 B9 Saloon\/Sedan \u0026amp; Avant (non-sport differential) 2016+\u003c\/li\u003e\n\u003cli\u003eAudi S5 3.0 TFSI V6 B9 Sportback (non-sport differential) 2017+\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":68005543936302,"sku":"SSXAU656","price":3392.44,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0878\/1719\/1726\/files\/SSXAU656_1.jpg?v=1794451877","url":"https:\/\/shopicwp.com\/products\/milltek-non-resonated-cat-back-exhaust-audi-b9-s4-s5-cerakote-black-tips-ssxau656","provider":"Inner Circle Wheels and Performance","version":"1.0","type":"link"}