BMW F80 M3 & F82/F83 M4 & F87 M2 S55 MAD Downpipes W/Flex Section bmw f80 m3 giving it an OEM +

giving it an OEM + appearance

The BMS oil catch can

-Full replacements

please allow 2 weeks for order to ship

BMW F80 M3 & F82/F83 M4 & F87 M2 S55 MAD Downpipes W/Flex Section bmw f80 m3 giving it an OEM +Upgrade 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