AIRTEC Motorsport Downpipe De-Cat for BMW G Series – M2, M3 & M4 turn14-product-not-found-review Manufacturer Part # : 80865

Manufacturer Part # : 80865

Coolant Filter Kit

X4tsRS 99-07 SD 6ft

Specs Brand: J's Racing MPN: GTR304-S1-70RSW

The Boomba Blow Off Valve utilizes an ECU-controlled solenoid that provides both vacuum and boost pressure

AIRTEC Motorsport Downpipe De-Cat for BMW G Series – M2, M3 & M4 turn14-product-not-found-review Manufacturer Part # : 80865Technical Data By 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