Active Autowerke Rear Exhaust System 3 Can W/ Valves (Maad Maxx) - 2014+ M3 / M4 (11-073CBC) 1823 Works Safely with Factory Subaru

Works Safely with Factory Subaru ECU - custom coil to match ECU voltage

Direct fit for 1999-2006 Audi TT I4-1

clean air (from your car and your new shocks)

(1) bracket (Part Number P-X177)

Up until now

Active Autowerke Rear Exhaust System 3 Can W/ Valves (Maad Maxx) - 2014+ M3 / M4 (11-073CBC) 1823 Works Safely with Factory SubaruThe Active Autowerke Rear Exhaust System 3 Can with Valves (Maad Maxx) is engineered for the 2014+ F80 BMW M3 and F82 BMW M4 to enhance exhaust flow and sound quality. Designed to replace the stock rear exhaust, it aims to provide a deeper, more refined exhaust note appropriate for these high performance vehicles. Manufactured in the USA Incorporates a valving system for improved exhaust flow Engineered to deliver a low, deep rumble characteristic