{"product_id":"milltek-non-resonated-cat-back-exhaust-for-audi-b9-s5-coupe-polished-tips-ssxau685","title":"Milltek Non-Resonated Cat-Back Exhaust for Audi B9 S5 Coupe, Polished Tips","description":"\u003cp\u003eMilltek Non-Resonated Cat-Back Exhaust System for Audi B9 S5 3.0 V6 Turbo Coupe and Cabriolet (Non-Sport Diff models). Direct factory fitment replacement with 2.50\" mandrel-bent T304L stainless steel construction and quad GT-100 polished outlet trims.\u003c\/p\u003e\n\u003cp\u003eHand-finished T304L stainless steel throughout. 2.50\" (63.50mm) pipe diameter maximizes exhaust scavenging. Non-resonated design eliminates OE silencer for aggressive full-throttle character and enhanced mid-range response. Uses OEM hangers and mounting points-no modification required. Quad polished GT-100 trims finished to showroom standard.\u003c\/p\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAudi B9 S5 Coupe (3.0 V6 TFSI, 2017-2024)\u003c\/li\u003e\n\u003cli\u003eAudi B9 S5 Cabriolet (3.0 V6 TFSI, 2017-2024)\u003c\/li\u003e\n\u003cli\u003eNon-Sport Differential models only\u003c\/li\u003e\n\u003cli\u003eCat-back system-factory downpipe and cats retained\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e Engineered in-house and dyno-proven for measurable torque gains across the power band. Every system hand-finished to OEM+ standards before dispatch. \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\u003e2018-2023 Audi S5 Premium Plus\u003c\/li\u003e\n\u003cli\u003e2018-2023 Audi S5 Prestige\u003c\/li\u003e\n\u003cli\u003e2019-2023 Audi S5 Premium\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Milltek","offers":[{"title":"Default Title","offer_id":60150601187614,"sku":"MILSSXAU685","price":3506.39,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0759\/7965\/3406\/files\/SSXAU685_1.jpg?v=1791253011","url":"https:\/\/shop.signatureautohaus.com\/products\/milltek-non-resonated-cat-back-exhaust-for-audi-b9-s5-coupe-polished-tips-ssxau685","provider":"Signature Autohaus","version":"1.0","type":"link"}