{"product_id":"milltek-non-resonated-cat-back-exhaust-for-audi-b6-s4-cerakote-black-tips-ssxau872","title":"Milltek Non-Resonated Cat-Back Exhaust for Audi B6 S4, Cerakote Black Tips","description":"\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\u003ch3\u003eFitment \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\u003ch3\u003eVehicle fitment\u003c\/h3\u003e\n\u003cul class=\"fitment-list\"\u003e\n\u003cli\u003e2004-2005 Audi S4 Avant\u003c\/li\u003e\n\u003cli\u003e2004-2005 Audi S4 Base\u003c\/li\u003e\n\u003cli\u003e2004-2005 Audi S4 Cabriolet\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Milltek","offers":[{"title":"Default Title","offer_id":60150637592862,"sku":"MILSSXAU872","price":1614.63,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0759\/7965\/3406\/files\/ssxau872_1.jpg?v=1791253801","url":"https:\/\/shop.signatureautohaus.com\/products\/milltek-non-resonated-cat-back-exhaust-for-audi-b6-s4-cerakote-black-tips-ssxau872","provider":"Signature Autohaus","version":"1.0","type":"link"}