FMF Racing Kawasaki KLX250S 2006/09-10/KLX250SF 09-10/ 2012/ KLX300R 20-21 SS Powerbomb HeaderThe 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. Outer chamber allows the air to expand, cool and ramp back up at velocity Increased flow up to 10% FMF Racing Kawasaki KLX250S 2006 09 10 KLX250SF 09 10 2012 KLX300R 20 21 SS Powerbomb Header The redesigned PowerBomb is a 4 stroke header that