AIRTEC Motorsport 3.5” Secondary Cat Bypass for BMW G80 M3 and G82 M4 mini challenge Finished in Piano Black

Finished in Piano Black

Custom made Alcantara Stitched airbag cover

6mm Euro 3 Racing Catalytic Converter

ProRam pleated aliminium base filter

AIRTEC Motorsport 3.5” Secondary Cat Bypass for BMW G80 M3 and G82 M4 mini challenge Finished in Piano BlackBy replacing the restrictive secondary catalytic converters located in the mid pipe section directly after the 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. Measuring 3. 5 in diameter, this direct replacement mid pipe offers improved flow over standard and comes