PowerBomb 042179 Size:OS Closed Course Big Bore System

Closed Course Big Bore System or as a Spark Arrestor Version

1 RCT incorporates the latest in FMF Resonance Chamber Technology™ both internally and externally

With 30 years of racing experience behind it

FMF Racing's Tru-Flo stamping process ensures a perfect fit and optimum performance

or in the open desert

PowerBomb 042179 Size:OS Closed Course Big Bore SystemThe 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