Originally posted by: 450r
and another thing, all plug and play rev box's are almost the same for the model their made for.the only diff. is going to be how well its made and how much they think you should pay. a ricks rev for the 400ex is only $69.00.why is the white brothers $134-$159 they do the same exact thing .a 400 ex rev box is just a factory xr250 cdi ,its just got somebody's race sticker on it.