{"product_id":"milltek-resonated-cat-back-exhaust-for-audi-b9-s5-coupe-polished-tips-ssxau691-ssxau691","title":"Milltek Resonated Cat-Back Exhaust for Audi B9 S5 Coupe, Polished Tips (SSXAU691)","description":"\u003cp\u003eMilltek 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\" (63.50mm) mandrel-bent T304L stainless steel construction and quad polished oval trims.\u003c\/p\u003e\n\u003cp\u003eHand-finished T304L stainless steel pipe with resonated chambering engineered to eliminate factory drone while preserving OEM+ tone character at cruise. Uses factory hangers and mounting points-no modification required. Decibel-tested for street legality with full-throttle engagement tuned at the resonance frequency points that complement the 3.0T V6 engine note.\u003c\/p\u003e\n\u003ch3\u003eSystem Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePipe Diameter: 2.50\" (63.50mm) mandrel-bent\u003c\/li\u003e\n\u003cli\u003eMaterial: T304L stainless steel, hand-finished\u003c\/li\u003e\n\u003cli\u003eDesign: Resonated (drone-eliminated cruise, full-throttle character)\u003c\/li\u003e\n\u003cli\u003eOutlet: Quad polished oval trims\u003c\/li\u003e\n\u003cli\u003eFitment: Audi B9 S5 3.0 TFSI Coupe\/Cabriolet, non-Sport Diff models only\u003c\/li\u003e\n\u003cli\u003eInstallation: Direct OEM+ fitment, factory hanger compatible\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e EC approved. \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":60150601515294,"sku":"MILSSXAU691","price":3987.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0759\/7965\/3406\/files\/SSXAU691_1.jpg?v=1791253069","url":"https:\/\/shop.signatureautohaus.com\/products\/milltek-resonated-cat-back-exhaust-for-audi-b9-s5-coupe-polished-tips-ssxau691-ssxau691","provider":"Signature Autohaus","version":"1.0","type":"link"}