**This product is a part of the Active Autowerke Motorsport Collection. It is for RACE and OFF-ROAD USE ONLY!
 
Active Autowerke is proud to release the unique Signature Race Only catback exhaust system for the BMW G80 M3 and G82 M4. This brings our expertise with a single mid-pipe and leverages our many years of performance tuning for BMW M-cars. It provides a deeper tone to the stock exhaust and is not intended for street use since it gives a loud sound as the exhaust is fully open at all times (does not use OEM valves). We have also added the option of an exhaust DUMP right after the downpipes to maximize the sound.
While these cars have received rave reviews for their performance, the sound is a muffled one leaving the driver to wonder if they are really driving a BMW M-car. In order to solve this, Active Autowerke has created a full race only exhaust system for the G80/G82 which provides the raucous sound which some BMW enthusiasts crave and cannot be provided by a street legal exhaust system. This race only remake of the stock exhaust results in a G80/G82 with a loud, deep and aggressive sound. You will feel the thrill of driving a race car when the throttle is opened.
This exhaust system upgrade was designed and engineered to replace the entire exhaust system with only no cuts needed in the stock exhaust. It is a bolt-on that can be performed by most and the stock exhaust can be reinstated if needed.
This system provides the maximum flow available and provides a race car growl expected but not often realized from a BMW M-Series car. The resonators reduce some of the rasp from the S58 engine without compromising the wide-open sound.
The Active Autowerke race only exhaust system is constructed of 100% 304 brushed stainless steel and has a industry standard warranty against rust. This latest addition to the Signature line up is a must for the true Enthusiast looking for a better sounding car to match amazing performance.