{"product_id":"milltek-non-resonated-cat-back-exhaust-for-audi-b9-s4-s5-carbon-fibre-tips-ssxau724-ssxau724","title":"Milltek Non-Resonated Cat-Back Exhaust for Audi B9 S4 S5, Carbon Fibre Tips (SSXAU724)","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 using OEM hangers; no modification required. T304L stainless steel construction, hand-finished, mandrel-bent throughout.\u003c\/p\u003e\n\u003cp\u003eNon-resonated design engineered for full-throttle character and pronounced exhaust tone. 2.50\" (63.50mm) pipe diameter maximizes flow efficiency. Finished with quad JET-100 carbon trims. Decibel-tested for track and closed-course use.\u003c\/p\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAudi S4 3.0L Turbo V6 B9 Saloon\/Sedan \u0026amp; Avant (non-Sport Diff) - 2016+\u003c\/li\u003e\n\u003cli\u003eAudi S5 3.0L Turbo V6 Sportback B9 (non-Sport Diff only) - 2017+\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e Every system is tested at the factory and finished to OEM+ 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\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":60150608953630,"sku":"MILSSXAU724","price":3875.54,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0759\/7965\/3406\/files\/SSXAU724_1.jpg?v=1791253312","url":"https:\/\/shop.signatureautohaus.com\/products\/milltek-non-resonated-cat-back-exhaust-for-audi-b9-s4-s5-carbon-fibre-tips-ssxau724-ssxau724","provider":"Signature Autohaus","version":"1.0","type":"link"}