FMF Powerbomb Header Stainless Steel for Yamaha YZ 250F 2010-2013
The PowerBomb Is a Four-Stroke Header That Incorporates FMFs Patented PowerBomb Module at a Precise Location in the Initial Stage of the Header. By Positioning This Bomb at a Key Point in the System, Increased Performance and Flow Is Achieved Through the Expansion and Contraction of Exhaust Sonics Through the System. Result Is a Flow Increase of Nearly …