{"product_id":"milltek-resonated-cat-back-exhaust-audi-b7-s4-polished-tips-ssxau046","title":"Resonated Cat-Back Exhaust | Audi B7 S4 - Polished Tips | Milltek","description":"\u003ch2\u003eOverview\u003c\/h2\u003e\n\u003cp\u003eThe Milltek Resonated Cat-Back Exhaust System is engineered specifically for the Audi B7 S4, delivering OEM+ fitment with a hand-finished T304L stainless steel construction. Direct factory fitment using OEM hangers-no modification required.\u003c\/p\u003e\n\u003cp\u003eConstructed from premium T304L stainless steel with mandrel-bent piping and a 2.25\" (57.15mm) diameter, this resonated system is tuned to eliminate drone while preserving the engine's full-throttle character. The resonance point is engineered to enhance the naturally aggressive B7 S4 soundtrack without compromising comfort on closed-throttle driving.\u003c\/p\u003e\n\u003ch2\u003eDetails\u003c\/h2\u003e\n\u003ch3\u003eSystem Specifications\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003ePipe diameter: 2.25\" (57.15mm) mandrel-bent construction\u003c\/li\u003e\n\u003cli\u003eMaterial: T304L hand-finished stainless steel\u003c\/li\u003e\n\u003cli\u003eDesign: Resonated cat-back (factory muffler delete, secondary resonator tuned for tone control)\u003c\/li\u003e\n\u003cli\u003eFitment: Direct OEM+ replacement for B7 S4 Sedan and Cabriolet\u003c\/li\u003e\n\u003cli\u003eTip options: Polished or gloss black stainless finishes\u003c\/li\u003e\n\u003cli\u003eInstallation: Uses factory hangers and mounting points-no cutting, welding, or fabrication required\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":68005476073774,"sku":"SSXAU046","price":1509.77,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0878\/1719\/1726\/files\/SSXAU046_1.jpg?v=1794451553","url":"https:\/\/shopicwp.com\/products\/milltek-resonated-cat-back-exhaust-audi-b7-s4-polished-tips-ssxau046","provider":"Inner Circle Wheels and Performance","version":"1.0","type":"link"}