PowerBomb 041622 Color:No Color The outer chamber in the

The outer chamber in the Powerbomb allows the air to expand

98% Cotton/ 2% Polyurethane

1 provides a refined power curve with strong gains across the entire RPM range

Forest legal spark arrestor will meet the mandated 96dB sound level set by the US Forest Service making it the quietest 2-stroke performance spark arrestor made

PowerBomb 041622 Color:No Color The outer chamber in theThe redesigned PowerBomb is a four stroke header that incorporates FMF's 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