FMF Racing Yamaha YZ450F 07-09/WR450F 07-15 SS Powerbomb Header

The redesigned PowerBomb is a 4-stroke header that incoporates FMF’s patented PowerBomb module at a precise location in the initial stage of the header, resulting in performance gains and improved flow.

Features:

• Outer chamber allows the air to expand, cool and ramp back up at velocity
• Increased flow up to 10%