AIRTEC Motorsport 3.5” Secondary Cat Bypass for BMW G80 M3 and G82 M4 987 Boxter As used over the years

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

This ensures the airflow remains laminar and allows the turbo to function with minimal drag

Not just another cone filter with a heat shield but a unique design which invokes the Venturi affect and maintains laminar flow conditions to reduce the drag on the turbo

It demonstrates the perfect balance between allowing for unrestricted airflow with our open filter housing whilst maintaining low IAT by cold air saturation with our scoop and shield combination

VHB adhesive has been tested for over a year in all climate and driving conditions

AIRTEC Motorsport 3.5” Secondary Cat Bypass for BMW G80 M3 and G82 M4 987 Boxter As used over the yearsTechnical 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