A.W.E. Twin2 Exhaust System (2.7L Twin Turbo)

With the AWE Tuning Twin1 Exhaust System, you've found the finest exhaust system available for the Audi S4. This systems offer outstanding performance from a true dual tubing configuration utilizing (2) mufflers which yields very quite sound level to meet your more conservative desire for sound.

Please click here, or call 480-596-0500 for shipping info

A.W.E. Twin1 Exhaust System (2.7L Twin Turbo)

"With the AWE Tuning Twin1 Exhaust System, you've found the finest exhaust system available for the Audi S4. This systems offer outstanding performance from a true dual tubing configuration utilizing 1 muffler which yields a ""louder"" sound level to meet your performace sound desires."

Please click here, or call 480-596-0500 for shipping info

2004-05 B6 S4 Exhaust (Race)

2004-05 B6 S4 Exhaust (Race): B6 V8/V6 Cat Back Exhaust NON-RESONATED TrackB6 V8/V6 Cat Back Exhaust NON-RESONATED Track version. Dyno verified gain of 14.2 HP and 14.8 FTLBS TORQUE corrected to the crank. (TIP and 6-speed)

Please click here, or call 480-596-0500 for shipping info

2004-05 B6 S4 Exhaust (Street):

2004-05 B6 S4 Exhaust (Street): B6 V8/V6 Cat Back Exhaust NON-RESONATED TrackB6 V8/V6 Cat Back Exhaust RESONATED Track version. Dyno verified gain of 14.2 HP and 14.8 FTLBS TORQUE corrected to the crank. (TIP and 6-speed)

Please click here, or call 480-596-0500 for shipping info

2005.5 up B7 S4 Exhaust: (Street)

2005.5 up B7 S4 Exhaust: - Silver Tips.
The wait is over - welcome to the finest catback exhaust for the B7 Audi S4 on the market. Direct bolt on catback system that not only transforms the rear end of the car with it's menacing quad tips, but also turns heads with a deep muscluar bass note.  A noticeable, but not over the top, sound tone flows through T304 mandrel bent stainless steel piping offering perfect fitment and a lifetime of enjoyment.  Each cat back system features an H-pipe crossover tube at the front to maximize exhaust scavenging for maximum power, as well as to take a harsh edge off the exhaust sounds. Tubing diameter for the entire system is 2.25". This is a deep bass tone, no matter how you cut it.
Dyno proven for legitimate power gains of 14.2 HP and 14.8 FTLBS TORQUE corrected to the crank on our in house Mustang AWD dynamometer, the B7 S4 exhaust is a must have for any enthusiast.
(Fits both Tiptronic and manual transmission cars.)

Please click here, or call 480-596-0500 for shipping info