{"product_id":"milltek-resonated-cat-back-exhaust-audi-b9-s5-cerakote-black-tips-ssxau1121","title":"Resonated Cat-Back Exhaust | Audi B9 S5 - Cerakote Black Tips | Milltek","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eMilltek 2.50\" Resonated Quad Outlet Cat-Back Exhaust System for Audi B9 S5 3.0 V6 Turbo. Direct factory fitment for Coupe and Sportback models (Sport Diff with Brace Bars, 2017+). T304L stainless steel construction with CNC-formed Cerakote Black quad trims.\u003c\/p\u003e\n\u003cp\u003eThe resonated design eliminates drone at cruise while preserving full-throttle character. 2.50\" mandrel-bent tube diameter (63.50mm) improves exhaust scavenging over OEM. Hand-finished welds and TIG construction throughout. Uses OEM hangers and suspension points-no modification required. Direct replacement for factory cat-back section; turbo and downpipe remain stock.\u003c\/p\u003e\n\u003ch2\u003eDetails\u003c\/h2\u003e\n\u003ch3\u003eFitment Notes\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAudi S5 B9 3.0 V6 Turbo Coupe (Sport Diff models with Brace Bars, 2017+)\u003c\/li\u003e\n\u003cli\u003eAudi S5 B9 3.0 V6 Turbo Sportback (Sport Diff models with Brace Bars, 2017+)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eConstruction \u0026amp; Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eMaterial: T304L stainless steel\u003c\/li\u003e\n\u003cli\u003ePipe diameter: 2.50\" (63.50mm), mandrel-bent\u003c\/li\u003e\n\u003cli\u003eResonated: Yes-engineered for OE+ tone without cruise drone\u003c\/li\u003e\n\u003cli\u003eOutlet finish: Cerakote Black quad trims, hand-polished\u003c\/li\u003e\n\u003cli\u003eInstallation: Direct fitment, OEM hangers, no cuts or modifications\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e This system reflects our commitment to OEM+ fitment, engineered tone character, and precision stainless fabrication-all manufactured to exacting standards. \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":"Default Title","offer_id":68005584634158,"sku":"SSXAU1121","price":3189.62,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0878\/1719\/1726\/files\/ssxau1121.jpg?v=1794452333","url":"https:\/\/shopicwp.com\/products\/milltek-resonated-cat-back-exhaust-audi-b9-s5-cerakote-black-tips-ssxau1121","provider":"Inner Circle Wheels and Performance","version":"1.0","type":"link"}