{"product_id":"milltek-non-resonated-cat-back-exhaust-for-audi-b9-s4-s5-burnt-titanium-tips-ssxau653","title":"Milltek Non-Resonated Cat-Back Exhaust for Audi B9 S4 S5, Burnt Titanium Tips","description":"\u003cp\u003eMilltek 2.50\" Non-Resonated Cat-Back Exhaust System for Audi B9 S4 and S5 (non-Sport Differential models). Direct factory fitment replacement engineered for enhanced exhaust flow and aggressive tone character.\u003c\/p\u003e\n\u003cp\u003eConstructed from T304L stainless steel with CNC-formed mandrel-bent piping and hand-finished Quad GT-100 burnt titanium trims. Uses OEM exhaust hangers and mounting points-no modification required. The non-resonated design eliminates factory resonance chambers for full-throttle character tuned to the 3.0L turbocharged V6.\u003c\/p\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAudi S4 3.0 Turbo V6 B9 Saloon\/Sedan \u0026amp; Avant (Non-Sport Diff) 2016+\u003c\/li\u003e\n\u003cli\u003eAudi S5 3.0 Turbo V6 B9 Sportback (Non-Sport Diff only) 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\u003ch3\u003eVehicle fitment\u003c\/h3\u003e\n\u003cul class=\"fitment-list\"\u003e\n\u003cli\u003e2016 Audi S4 Base\u003c\/li\u003e\n\u003cli\u003e2016 Audi S4 Premium Plus\u003c\/li\u003e\n\u003cli\u003e2016 Audi S4 Prestige\u003c\/li\u003e\n\u003cli\u003e2017-2023 Audi S5 Base\u003c\/li\u003e\n\u003cli\u003e2018-2024 Audi S4 Base\u003c\/li\u003e\n\u003cli\u003e2018-2025 Audi S4 Premium Plus\u003c\/li\u003e\n\u003cli\u003e2018-2025 Audi S4 Prestige\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 S4 Premium\u003c\/li\u003e\n\u003cli\u003e2019-2025 Audi S5 Premium\u003c\/li\u003e\n\u003cli\u003e2026 Audi S4 Base\u003c\/li\u003e\n\u003cli\u003e2026 Audi S5 Base\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Milltek","offers":[{"title":"Default Title","offer_id":60150595879198,"sku":"MILSSXAU653","price":4406.26,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0759\/7965\/3406\/files\/SSXAU653_1.jpg?v=1791252797","url":"https:\/\/shop.signatureautohaus.com\/products\/milltek-non-resonated-cat-back-exhaust-for-audi-b9-s4-s5-burnt-titanium-tips-ssxau653","provider":"Signature Autohaus","version":"1.0","type":"link"}