DRZ250 header pipe

[mc4aregreat]

Owners may have heard that one mod is to grind down the weld inside the header pipe, Here is some photos of what the header pipe looks like inside. You can also get NZ built bigger Dia. replacement.

[ktm84mxc]

Yamaha's TTR250 came out with a similar device fitted in the exhaust before the muffler , it's all got to do with the Aussi ADR compliance regs.