AIRTEC Motorsport Downpipe Sports Cat for BMW G Series – M2, M3 & M4 e92 Less understeer -92% stiffer than

Less understeer -92% stiffer than stock

S added appeal before its sporty engine kicks into life

*Supports Audi A3 with all-wheel drive (Quattro) and 2

1x breather connector

AIRTEC Motorsport Downpipe Sports Cat for BMW G Series – M2, M3 & M4 e92 Less understeer -92% stiffer thanBy replacing the restrictive primary catalytic converters located in the original downpipes with specially designed high flow sports cats, 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 fitting kit, the downpipes will mate to a standard or aftermarket