AIRTEC Motorsport 3.5” Secondary Cat Bypass for BMW G80 M3 and G82 M4 987 Boxter Larger airbox outlets - 24%

Larger airbox outlets - 24% increase vs OE

simply remove the factory rear silencer and factor OPF pipes and replace

As used over the years by championships such as: BMW Compact Cup

G83) - Style 826 M wheels

PFR5-4025 is a replacement bush that includes aluminium sleeves with built-in support to increase control of rear diff movement and replaces all four bushes in the original rear diff front mounting bracket

AIRTEC Motorsport 3.5” Secondary Cat Bypass for BMW G80 M3 and G82 M4 987 Boxter Larger airbox outlets - 24%Technical Data By 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