Active Autowerke G80/G82 M3/M4 Signature RACE ONLY Exhaust System - GOLIATH

**This product is a part of the Active Autowerke Motorsport Collection. It is for RACE and OFF-ROAD USE ONLY! ***Before your order ships you MUST sign and return the Off Road Use Only Waiver available HERE. Please email, fax or take a photo of the completed form. You can email it to your sales rep or to info@activeautowerke.com and you can fax it to us at (305) 253-8921*** 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 dr