{"product_id":"milltek-non-resonated-cat-back-exhaust-audi-b6-s4-cerakote-black-tips-ssxau872","title":"Non-Resonated Cat-Back Exhaust | Audi B6 S4 - Cerakote Black Tips | Milltek","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eThe Milltek Non-Resonated Cat-Back Exhaust System is engineered for the Audi B6 S4 4.2 V8 Quattro (Saloon, Sedan, Avant, Cabriolet). This is a direct factory fitment cat-back system-replaces the OEM exhaust from the rear of the secondary catalytic converters back, requiring no vehicle modification.\u003c\/p\u003e\n\u003cp\u003eHand-finished T304L stainless steel construction with 2.25\" (57.15mm) mandrel-bent piping and Jet-100 Cerakote Black trim finishes. The non-resonated design eliminates the OE resonance chamber, delivering a more pronounced full-throttle character while maintaining direct OEM hanger compatibility and ease of installation.\u003c\/p\u003e\n\u003ch2\u003eDetails\u003c\/h2\u003e\n\u003ch3\u003eFitment Notes \u0026amp; Compatibility\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAudi B6 S4 Saloon (2003-2005)\u003c\/li\u003e\n\u003cli\u003eAudi B6 S4 Sedan (2003-2005)\u003c\/li\u003e\n\u003cli\u003eAudi B6 S4 Avant (2003-2005)\u003c\/li\u003e\n\u003cli\u003eAudi B6 S4 Cabriolet (2003-2005)\u003c\/li\u003e\n\u003cli\u003e4.2L FSI V8 engine (engine code ASP)\u003c\/li\u003e\n\u003cli\u003eReplaces OEM cat-back system only-secondary cats remain stock\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\u003ch2\u003eFitment\u003c\/h2\u003e","brand":"Milltek","offers":[{"title":"Default Title","offer_id":68005556257070,"sku":"SSXAU872","price":1372.44,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0878\/1719\/1726\/files\/ssxau872_1.jpg?v=1794452045","url":"https:\/\/shopicwp.com\/products\/milltek-non-resonated-cat-back-exhaust-audi-b6-s4-cerakote-black-tips-ssxau872","provider":"Inner Circle Wheels and Performance","version":"1.0","type":"link"}