AIRTEC Motorsport Downpipe Sports Cat for BMW G Series – M2, M3 & M4 chip lip Because of the soft spring

Because of the soft spring and the solenoid valve that is in-line with the vacuum hose

Prosport 30/40mm Lowering Springs: Expert Standard Van 2

AIRTEC MOTORSPORT OIL COOLER FOR HONDA CIVIC FL5 TYPE R ATMSHON04

Model year - F36 chassis type from Nov 2014 onwards

AIRTEC Motorsport Downpipe Sports Cat for BMW G Series – M2, M3 & M4 chip lip Because of the soft springBy replacing the restrictive primary catalytic converters located in the original downpipes with specially designed high flow sports cats, or removing them entirely with our optional de cat downpipes, back pressure is reduced, which effectively improves the engines breathing by allowing it to expel gases more quickly. This in return means faster throttle response, increased power output and a more aggressive exhaust note. Complete with replacement