AIRTEC Motorsport 3.5” Secondary Cat Bypass for BMW G87 M2 RE2-1001 Convenient clip-in SAI breather filter

Convenient clip-in SAI breather filter

Audi S3 (8P) 2/4 Door Hatchback Models (2009 - 2010)

Sustainable

This provides more horsepower and torque than running conventional gasoline and is more readily available (in most states) and less expensive than race gas

AIRTEC Motorsport 3.5” Secondary Cat Bypass for BMW G87 M2 RE2-1001 Convenient clip-in SAI breather filterBy 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