I've had my Smartech Speed Master VH-X5 for a few weeks now and the acceleration still sucks -.- . I had a leak where the exhaust joins the motor and just replaced the gasket expecting a dramatic increase in performance, but still nothing. My friends one just takes off and mine has much slower acceleration. Any ideas?

~Thanks

Ohh, and his makes a much more high pitched sound while mine sounds like i'm barely accelerating (Even though the intake is completely open ~_~). Same result without Air filter.