
The welds are cleaned up before the mufflers go into the polishing room.


A picture of the V1 530i exhaust.

Here is a picture of the E92 muffler being made. The outside casing was just rolled.

Polishing room

The dual wall tips are actually two individual pipes. The inner pipes are flared out and welded to the outside pipe at the edge. The welds are then grinded off and polished giving it a seamless look.

A pic of the grinding/polishing



All RPi exhaust come with a limited lifetime warranty.





