AIRTEC Motorsport Downpipe De-Cat for BMW G Series – M2, M3 & M4 turn14-product-not-found-review Manufacturer Part # : 1062131

Manufacturer Part # : 1062131

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AIRTEC Motorsport Downpipe De-Cat for BMW G Series – M2, M3 & M4 turn14-product-not-found-review Manufacturer Part # : 1062131Technical Data By removing the restrictive primary catalytic converters located in the original downpipes, back pressure is hugely 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. Complete with replacement fitting kit, the downpipes will mate to a standard or aftermarket exhaust system and come