AIRTEC Motorsport 3.5” Secondary Cat Bypass for BMW G87 M2 335i Removes restrictive secondary catalytic converters

Removes restrictive secondary catalytic converters and GPF

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AIRTEC Motorsport 3.5” Secondary Cat Bypass for BMW G87 M2 335i Removes restrictive secondary catalytic convertersAIRTEC Motorsport 3. 5 Secondary Cat Bypass for BMW G87 M2 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