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Airtec Motorsport ATEXHBMW4 downpipe with catalityc converter BMW M2 (G87), BMW M3 (G80, G81), M4 (G82, G83) 3.0 S58B30.
Part number: ATEXHBMW4.
Sports catalyst version for motorsport and off-road use. ECU recalibration is required to prevent the engine warning light.
For motorsport and off-road use.
This part is intended for track use. Check local regulations before installing on a road vehicle.







