{"product_id":"milltek-80mm-non-resonated-opf-back-exhaust-for-audi-s8-d5-carbon-fibre-tips-ssxau952","title":"Milltek 80mm Non-Resonated OPF-Back Exhaust for Audi S8 D5, Carbon Fibre Tips","description":"\u003cp\u003eMilltek 80mm Cat Back Non-Resonated OPF-Back Exhaust System for Audi D5 S8 4.0 TFSI V8 (2020+). Direct factory fitment replacement engineered to amplify full-throttle character while maintaining OEM+ installation compatibility.\u003c\/p\u003e\n\u003cp\u003eT304L stainless steel construction with 80mm mandrel-bent piping and hand-finished JET-115 carbon trim options. Non-resonated design eliminates mid-range resonance for a pronounced, unfiltered exhaust note across the rev range. Decibel-tested for full-load acoustic signature.\u003c\/p\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAudi S8 D5 4.0 TFSI V8 Saloon (2020 and later)\u003c\/li\u003e\n\u003cli\u003eStandard and Long Wheelbase variants\u003c\/li\u003e\n\u003cli\u003eOPF-back configuration (secondary cat and particulate filter delete)\u003c\/li\u003e\n\u003cli\u003eUses OEM hangers and mounting points - no modification required\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003cp\u003e Engineered for track and closed-course use; verify local emissions compliance before street deployment. \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\u003e2020-2026 Audi S8 Base\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Milltek","offers":[{"title":"Default Title","offer_id":60150643065118,"sku":"MILSSXAU952","price":7265.3,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0759\/7965\/3406\/files\/SSXAU952_1.jpg?v=1791254131","url":"https:\/\/shop.signatureautohaus.com\/products\/milltek-80mm-non-resonated-opf-back-exhaust-for-audi-s8-d5-carbon-fibre-tips-ssxau952","provider":"Signature Autohaus","version":"1.0","type":"link"}