{"product_id":"milltek-race-cat-back-exhaust-for-audi-b8-s4-v6-cerakote-black-tips-for-audi-s5-ssxau557","title":"Milltek Race Cat-Back Exhaust for Audi B8 S4 V6, Cerakote Black Tips for Audi S5","description":"\u003cp\u003eMilltek Race Cat-Back Exhaust System for Audi B8 S4 Supercharged V6 and B8 S5. Non-resonated design engineered for direct OEM fitment, delivering increased exhaust flow and an aggressive, full-throttle tone character.\u003c\/p\u003e\n\u003cp\u003eConstructed from T304L stainless steel, mandrel-bent throughout with hand-finished Cerakote Black quad trims. Uses factory hangers and mounting points-no modification required. The 2.37\" (60.30mm) bore facilitates improved scavenging and measurable performance gains on dyno testing.\u003c\/p\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAudi B8 S4 Supercharged V6 (2009-2012)\u003c\/li\u003e\n\u003cli\u003eAudi B8 S5 V6 (2009-2012)\u003c\/li\u003e\n\u003c\/ul\u003e\n\u003ch3\u003eTechnical Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePipe Diameter: 2.37\" (60.30mm)\u003c\/li\u003e\n\u003cli\u003eMaterial: T304L stainless steel\u003c\/li\u003e\n\u003cli\u003eDesign: Non-resonated (race specification)\u003c\/li\u003e\n\u003cli\u003eFinish: Hand-finished with Cerakote Black quad trims\u003c\/li\u003e\n\u003cli\u003eInstallation: Direct factory fitment, OEM+ compatibility\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\u003e2009-2012 Audi S4 Base\u003c\/li\u003e\n\u003cli\u003e2009 Audi S4 Cabriolet\u003c\/li\u003e\n\u003cli\u003e2010-2011 Audi S5 Base\u003c\/li\u003e\n\u003cli\u003e2010-2011 Audi S5 Cabriolet\u003c\/li\u003e\n\u003c\/ul\u003e","brand":"Milltek","offers":[{"title":"Default Title","offer_id":60150562193694,"sku":"MILSSXAU557","price":3047.94,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0759\/7965\/3406\/files\/SSXAU557_1.jpg?v=1791252295","url":"https:\/\/shop.signatureautohaus.com\/products\/milltek-race-cat-back-exhaust-for-audi-b8-s4-v6-cerakote-black-tips-for-audi-s5-ssxau557","provider":"Signature Autohaus","version":"1.0","type":"link"}