{"product_id":"milltek-resonated-cat-back-exhaust-audi-b9-s4-s5-polished-tips-ssxau648","title":"Milltek Resonated Cat-Back Exhaust | Audi B9 S4 S5 - Polished Tips","description":"\u003cp\u003eMilltek 2.50\" Resonated Cat-Back Exhaust System for Audi B9 S4 and S5 (non-Sport Diff). Direct factory fitment using OEM hangers, no modification required. Hand-finished T304L stainless steel construction with quad polished oval trims.\u003c\/p\u003e\n\u003cp\u003eThe resonated design eliminates OE resonance points that cause cabin drone while preserving a sportier, more pronounced exhaust character at full throttle. 2.50\" (63.50mm) mandrel-bent piping maximizes flow efficiency. Dyno-tested across the B9 platform for measurable torque gains without sacrificing street composure.\u003c\/p\u003e\n\u003ch3\u003eFitment\u003c\/h3\u003e\n\u003cul\u003e\n\u003cli\u003eAudi S4 3.0 TFSI V6 B9 Saloon\/Sedan \u0026amp; Avant - 2016 and later (non-Sport Diff)\u003c\/li\u003e\n\u003cli\u003eAudi S5 3.0 TFSI V6 B9 Sportback - 2017 and later (non-Sport Diff)\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","brand":"Milltek","offers":[{"title":"Default Title","offer_id":51360553664735,"sku":"SSXAU648","price":3987.89,"currency_code":"USD","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0826\/8496\/9183\/files\/SSXAU648_1.jpg?v=1789002577","url":"https:\/\/egtuning.com\/products\/milltek-resonated-cat-back-exhaust-audi-b9-s4-s5-polished-tips-ssxau648","provider":"Egor's Garage Tuning ","version":"1.0","type":"link"}