PowerBomb 041220 KTM-450 EXC-F-2019 We now offer replacement decals

We now offer replacement decals for most model exhausts

-Overall increase in power and torque

This spark arrestor comes with a kit of hardware including a mounting bracket

baffles and proprietary multistage packing material making it the best performing quiet muffler available

The science behind the Megabomb header may be our greatest engineering accomplishment to date

PowerBomb 041220 KTM-450 EXC-F-2019 We now offer replacement decalsThe 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