just to inform yall got to ride a 400ex yesterday for the first time those are wheelie machines but yeh the ex was a 99 and completly stock vs a 03 blaster that my buddy owns hes got vforce reeds fmf pipe and jets and a k&n we raced them a few times and the blaster just didn't have the power to keep up i could take the ex for about 5-10 feet if i was lucky then there he went it was fun though just to see what would happen by the way we were on a gravle road