MAD BMW S55 Downpipes M2C M3 M4 W/ Flex Section supra wing (Optional) Custom tuning available through

(Optional) Custom tuning available through tuners in the bootmod3 Tuner Directory

and exhaust note on your S55 powered M4

increased power and torque

G Insignia Oil Filter Cage Stabilizer

MAD BMW S55 Downpipes M2C M3 M4 W/ Flex Section supra wing (Optional) Custom tuning available throughUpgrade from the stock S55 downpipes to the MAD S55 catless downpipes for maximum airflow, power, and sound! Upgrade to the MAD BMW S55 downpipes to eliminate the backpressure caused by your stock catalytic converters. By upgrading to our downpipes, your turbos can now spool faster and achieve maximum power. As a bonus, your car will sound a lot nicer as well. Expect up to a 30HP increase on a tuned BMW S55 with stock turbos, even more on cars with