BMW F80 M3 & F82/F83 M4 & F87 M2 S55 MAD Downpipes W/Flex Section bmw f80 m3 Intake air temp 1 "AIR

Intake air temp 1 "AIR 1" (temperature of the air at the MAF sensor)

The BMS oil catch can

-Full replacements

Oil Temperature

giving it an OEM + appearance

BMW F80 M3 & F82/F83 M4 & F87 M2 S55 MAD Downpipes W/Flex Section bmw f80 m3 Intake air temp 1 "AIRUpgrade 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