Description
4-stroke motorcycle exhaust FMF yamaha yz450f'14-17/yz450fx'16-18/wr450f'16-18 s/s megabomb w/mid pipe
Patented process, the MEGA BOMB allows to reduce the noise and to add more power at mid and high speed. Gain of 3 to 5 horsepower on an original machine. Used by many US teams. Lighter than the stainless steel model.
