{"product_id":"milltek-race-non-resonated-cat-back-exhaust-for-audi-b8-s5-polished-tips-ssxau357-ssxau357","title":"Milltek Race Non-Resonated Cat-Back Exhaust for Audi B8 S5, Polished Tips (SSXAU357)","description":"\u003cp\u003eThe Milltek Race Non-Resonated Cat-Back Exhaust System is engineered for the Audi B8 S5 3.0 TFSI Coupe and Cabriolet. This 2.37\" (60.30mm) dual outlet system replaces the factory cat-back with direct fitment using OEM hangers, requiring no modification.\u003c\/p\u003e\n\u003cp\u003eConstructed from hand-finished T304L stainless steel with mandrel-bent piping, this system delivers aggressive full-throttle character with minimal interior drone through precision acoustic tuning. Polished oval trim finishes provide OEM+ visual integration. Non-resonated configuration is engineered for closed-course and track use where peak exhaust note is prioritized over street refinement.\u003c\/p\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAudi B8 S5 Coupe (3.0 TFSI)\u003c\/li\u003e\n\u003cli\u003eAudi B8 S5 Cabriolet (3.0 TFSI)\u003c\/li\u003e\n\u003cli\u003eDirect cat-back replacement - turbo to rear axle\u003c\/li\u003e\n\u003cli\u003eUses factory mounting points\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eSpecifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePipe diameter: 2.37\" (60.30mm)\u003c\/li\u003e\n\u003cli\u003eMaterial: Hand-finished T304L stainless steel\u003c\/li\u003e\n\u003cli\u003eConfiguration: Non-resonated (race)\u003c\/li\u003e\n\u003cli\u003eOutlet: Dual polished oval trims\u003c\/li\u003e\n\u003cli\u003eInstallation: No modification required\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\u003e2009-2011 Audi S5 Base\u003c\/li\u003e\n\u003cli\u003e2010-2011 Audi S5 Cabriolet\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Milltek","offers":[{"title":"Default Title","offer_id":60150514090270,"sku":"MILSSXAU357","price":2641.83,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0759\/7965\/3406\/files\/SSXAU357_1.jpg?v=1791251524","url":"https:\/\/shop.signatureautohaus.com\/products\/milltek-race-non-resonated-cat-back-exhaust-for-audi-b8-s5-polished-tips-ssxau357-ssxau357","provider":"Signature Autohaus","version":"1.0","type":"link"}