AWE Track Edition Exhaust for Audi B7 S4 - Diamond Black Tips|The ultimate exhaust solution for the 4.2L|Deep, sophisticated V8 tone|Dyno-verified gains of 11 hp and 12 lb-ft of torque at the wheels|Aggressive quad tip design|Available with Chrome Silver or Diamond Black tips|No Check Engine Light ? Guaranteed|Perfect Fitment ? Guaranteed|Features AWE?s Lifetime Warranty

The first ever AWE Exhaust Suite for an Audi S3 to feature patented drone-canceling 180 Technology?|Available as the sophisticated, drone-free Touring Edition or aggressive Track Edition|Handcrafted from CNC mandrel-bent 3" and 2.5" U.S.-sourced .065? wall T304L stainless steel|Features a slip-fit inlet adapter for perfect factory downpipe fitment while leaving an open 3? connection|Quad 4.5? double-walled slash-cut tips available in chrome silver or diamond black|Individually adjustable tip outlets for the ease of installation|Dyno-verified gains of +7 whp & +2 lb-ft of torque at the wheels|Less is more: clean, straight-through design maximizes performance|Direct bolt-on for factory-like simplicity|Conversion kits make it easy to swap between editions so you always have options|Manufactured in-house at AWE|AWE No CEL Guarantee|AWE Perfect Fitment Guarantee|AWE Lifetime Warranty

50-state emissions-compliant catback exhausts|Proudly designed, engineered, and manufactured in-house at AWE|Handcrafted from CNC mandrel-bent 3? and 2.5? U.S.-sourced .065? wall T304L stainless steel|Includes AWE valve simulators to accomodate valve motors|Direct bolt-on for factory-like simplicity|Less is more: clean, straight-through design maximizes performance|Perfect fitment, guaranteed|Features the AWE No CEL Guarantee|Lifetime warranty