AIRTEC Motorsport Downpipe De-Cat for BMW G Series – M2, M3 & M4 6rf. With the ECS Big Bore

With the ECS Big Bore Turbo Inlet Pipe

750 RPM (+21 WHP) & 282 WTQ @ 3

with viability to fit our ECS 6 oz catch can behind the stock airbox with no modifications needed

This is a full induction filter kit and comes with all the parts and filter needed for the vehicle below

AIRTEC Motorsport Downpipe De-Cat for BMW G Series – M2, M3 & M4 6rf. With the ECS Big BoreBy removing the restrictive primary catalytic converters located in the original downpipes, back pressure is hugely 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 exhaust system and come wrapped in a