which pipe?

[RobertM]

I'm gonna race my 400ex in mx when i turn 16 and just wanted to know what would be the better slip-on pipe out of the the white brothers or yoshi, sound doesnt matter to me as much as power ya know?:cool:

[01_400exrider]

Go With yoshi! My buddie has one on his 440ex and it Rips! Good luck Racing!