Williams Motowerx is the only company in the world that produces an exhaust with a true tapered mandrel bent tubing! What this means is a system that has an increasing diameter throughout the length of the pipe. this tapered technology unlocks hidden acceleration and horsepower from your four stroke. Dyno and field testing prove our system beats the competition by as much as three horsepower! Available for 250f's in limited quantities. Call or email with availabilty. Only $649.95 |