{"product_id":"milltek-resonated-cat-back-exhaust-for-audi-b9-s4-s5-cerakote-black-tips-ssxau695-ssxau695","title":"Milltek Resonated Cat-Back Exhaust for Audi B9 S4 S5, Cerakote Black Tips (SSXAU695)","description":"\u003cp\u003eDirect factory-fit resonated cat-back exhaust system for Audi B9 S4 and S5 3.0 TFSI V6 Turbo models. Engineered as a T304L stainless steel replacement, this system delivers OEM+ sound character and measurable exhaust flow improvement without modification to mounting points or brake components.\u003c\/p\u003e\n\u003cp\u003eT304L stainless steel construction throughout, mandrel-bent and CNC-formed for precision fitment. 2.50\" (63.5mm) bore diameter with resonated chamber tuning to eliminate drone while preserving full-throttle character. Quad GT-100 Cerakote trim outlets with polished finish. Uses factory hangers and OEM valve integration-direct bolt-on installation.\u003c\/p\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAudi S4 B9 Saloon\/Sedan (2016+) - Sport Differential models only, without brace bars\u003c\/li\u003e\n\u003cli\u003eAudi S5 B9 Sportback (2017+) - Sport Differential models only, without brace bars\u003c\/li\u003e\n\u003cli\u003eEngine: 3.0 TFSI V6 Turbo (EA839)\u003c\/li\u003e\n\u003cli\u003eNon-resonated variants available\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e Milltek resonated systems are engineered to fine-tune OEM resonance points, delivering a controlled, refined tone that suits both daily driving and spirited use. \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\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":60150601613598,"sku":"MILSSXAU695","price":3752.49,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0759\/7965\/3406\/files\/SSXAU695_1.jpg?v=1791253093","url":"https:\/\/shop.signatureautohaus.com\/products\/milltek-resonated-cat-back-exhaust-for-audi-b9-s4-s5-cerakote-black-tips-ssxau695-ssxau695","provider":"Signature Autohaus","version":"1.0","type":"link"}