{"product_id":"milltek-resonated-cat-back-exhaust-for-audi-b9-s5-cerakote-black-tips-ssxau1121","title":"Milltek Resonated Cat-Back Exhaust for Audi B9 S5, Cerakote Black Tips","description":"\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\u003ch3\u003eFitment\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\u003ch3\u003eVehicle fitment\u003c\/h3\u003e\n\u003cul class=\"fitment-list\"\u003e\n\u003cli\u003e2017-2023 Audi S5 Base\u003c\/li\u003e\n\u003cli\u003e2018-2025 Audi S5 Premium Plus\u003c\/li\u003e\n\u003cli\u003e2018-2025 Audi S5 Prestige\u003c\/li\u003e\n\u003cli\u003e2019-2025 Audi S5 Premium\u003c\/li\u003e\n\u003cli\u003e2026 Audi S5 Base\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Milltek","offers":[{"title":"Default Title","offer_id":60150502949150,"sku":"MILSSXAU1121","price":3752.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0759\/7965\/3406\/files\/ssxau1121.jpg?v=1791250793","url":"https:\/\/shop.signatureautohaus.com\/products\/milltek-resonated-cat-back-exhaust-for-audi-b9-s5-cerakote-black-tips-ssxau1121","provider":"Signature Autohaus","version":"1.0","type":"link"}