Pur Pony
11-27-2001, 10:51 AM
Whats the 400ex have for stock HP at the motor and at the rear wheel??
what type of HP gains would I get from a yoshimura race pipe w/ header, K&N, vented airbox, jet kit??
what type of HP gains would I get from a yoshimura race pipe w/ header, K&N, vented airbox, jet kit??