PowerBomb 040021 Size:OS -See Features Tab -> Fitment

-See Features Tab -> Fitment for header compatibility

front to back

*Spring not included* Spring kit part #011396*

By positioning this “Bomb” at a key point in the system

this system delivers a significant reduction in weight while improving overall power and throttle response

PowerBomb 040021 Size:OS -See Features Tab -> FitmentThe redesigned 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 10%! The outer chamber in the Powerbomb allows the air to expand, cool and ramp back up