Originally Posted by TigOn.
My OEM modded mufflers should be ready and installed by friday... Cant wait!
Im replacing all three perforated pipes with ss solid pipes and leaving everithing else as is, just like the video below with the OEM M3 exhaust mod.
How does the guy manage to weld the pipe all the way around in such a tiny spot? I can't see how he can weld the underneath of the new pipe?