Intoxicating Sound|H-Pipe for improved balance and tone|For manual transmission vehicles only.|No Check Engine Light ? Guaranteed|Perfect Fitment ? Guaranteed|Features AWE?s Lifetime Warranty

No Check Engine Light - Guaranteed|Direct bolt-on system for factory-like simplicity|Handcrafted from CNC mandrel-bent U.S.-sourced T304 stainless steel|Featuring the AWE Lifetime Exhaust Warranty|Engineered, designed, and manufactured in-house at AWE|Less is more: clean, straight-through design maximizes performance|Perfect Fitment - Guaranteed|102mm double-walled tips available in Chrome Silver or Diamond Black|Cat Back, complete with an included 3? downpipe that features an internally-lined stainless steel flex section|Max gains of 12 hp and 11 lb-ft of torque at the crank with SwitchPath? Exhaust

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

Massive filter upgrade: two 7" long x 6.75" wide cone filters with 4.5" outlets|Increased air filter surface area of 142% over stock per filter|Engineered to fit under the Competition Sport (CS) brace|Custom-designed coupler and spring-clamp assembly assures a simple and snap-in fitment|Max gains of +14 horsepower +9 lb-ft of torque at the wheels|Removable machined couplers allow for big-power upgrades|Louvers to direct sound toward the cabin|Intake box protects from heat while maximizing aggressive intake sound|No tune required|Machined aluminum mounting points for long-term durability and easy installation|S-FLO Filter is washable and oil-less|Genuine 2x2 carbon construction,?UV-stabilized resin and clear coat|Designed, engineered, and tested in-house at AWE|Perfect fitment, guaranteed|AWE No Check Engine Light Guarantee