{"product_id":"milltek-non-resonated-cat-back-exhaust-for-audi-d4-s8-polished-tips-ssxau468","title":"Milltek Non-Resonated Cat-Back Exhaust for Audi D4 S8, Polished Tips","description":"\u003cp\u003eMilltek Non-Resonated Cat-Back Exhaust System for Audi D4 S8 Quattro. Direct factory fitment replacement using OEM hangers, no modification required. 2.76\" (70mm) mandrel-bent T304L stainless steel construction with engineered tone tuned to eliminate OE resonance points for full-throttle character on closed-course and track applications.\u003c\/p\u003e\n\u003cp\u003eHand-finished T304L stainless steel construction with CNC-formed polished or gloss black tip options. The non-resonated design delivers a pronounced, unfiltered exhaust note while maintaining structural durability and corrosion resistance. Dyno-tested for measurable flow improvement over factory systems.\u003c\/p\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAudi S8 D4 Quattro (2013-2018)\u003c\/li\u003e\n\u003cli\u003eCat-back configuration: catalytic converter to tailpipe\u003c\/li\u003e\n\u003cli\u003eUses OEM mounting points and hangers\u003c\/li\u003e\n\u003cli\u003eNo welding or cutting required\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e Milltek systems are decibel-tested, EC approved, and engineered for both sound character and measurable performance gains. \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\u003e2013-2018 Audi S8 Base\u003c\/li\u003e\n\u003cli\u003e2016-2018 Audi S8 Plus\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Milltek","offers":[{"title":"Default Title","offer_id":60150522970398,"sku":"MILSSXAU468","price":4773.27,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0759\/7965\/3406\/files\/SSXAU468_2.jpg?v=1791251922","url":"https:\/\/shop.signatureautohaus.com\/products\/milltek-non-resonated-cat-back-exhaust-for-audi-d4-s8-polished-tips-ssxau468","provider":"Signature Autohaus","version":"1.0","type":"link"}