MAD BMW M2 M3 M4 G8x S58 Secondary Cats Delete AMG Seat belts The O2 sensor bungs are

The O2 sensor bungs are located closer to the turbo on the ARM downpipe to avoid stretching the O2 sensor wires during installation

2013–2016 F07 550i GT

It is also backed by a lifetime warranty

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MAD BMW M2 M3 M4 G8x S58 Secondary Cats Delete AMG Seat belts The O2 sensor bungs areMAD M3 M4 G80 G82 S58 Secondary Cat Delete Pipes Upgrade your BMW's exhaust system with the MAD M3 M4 G80 G82 S58 Secondary Cat Delete Pipes, engineered to remove the restrictions caused by the factory secondary catalytic converters. By improving exhaust flow and reducing back pressure, these pipes enhance turbo spool. The result is a more aggressive exhaust. Designed with precision and constructed from premium materials, these pipes offer a