{"product_id":"milltek-resonated-cat-back-exhaust-for-audi-d4-s8-brushed-titanium-tips-ssxau466","title":"Milltek Resonated Cat-Back Exhaust for Audi D4 S8, Brushed Titanium Tips","description":"\u003cp\u003eMilltek Resonated Cat-Back Exhaust System for Audi D4 S8 Quattro. Direct factory fitment cat-back system engineered to replace the OEM exhaust with improved flow dynamics and refined sound character. Mandrel-bent T304L stainless steel construction with hand-finished titanium trim options.\u003c\/p\u003e\n\u003cp\u003e The resonated design eliminates drone at cruise while preserving full-throttle character on hard acceleration. 2.76\" (70mm) bore optimizes scavenging for the D4 platform's naturally aspirated engine. Uses OEM hangers and mounting points-no modification required. CNC-formed junctions and precision welding throughout. \u003c\/p\u003e\n\u003ch3\u003eFitment \u0026amp; Compatibility\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAudi D4 S8 Quattro (2013-2018)\u003c\/li\u003e\n\u003cli\u003eDirect cat-back replacement-turbo, downpipe, and secondary cats remain factory\u003c\/li\u003e\n\u003cli\u003eRequires no ECU tune or modification\u003c\/li\u003e\n\u003cli\u003eCompatible with OEM valve systems\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e Every system is dyno-tested and EC-approved for road use, offering proven gains in flow efficiency and engineered tone without compromise to drivability. \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":60150522872094,"sku":"MILSSXAU466","price":5577.91,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0759\/7965\/3406\/files\/SSXAU466_1.jpg?v=1791251904","url":"https:\/\/shop.signatureautohaus.com\/products\/milltek-resonated-cat-back-exhaust-for-audi-d4-s8-brushed-titanium-tips-ssxau466","provider":"Signature Autohaus","version":"1.0","type":"link"}