PowerBomb 041133 KTM-65SX-2020 The redesigned PowerBomb is a

The 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

the Mini Powercore 4 features a Hi-Flo stainless steel core and formed end caps

Compact in size and lightweight

Reduces sound output as much as 1

Built for riders who demand maximum performance without the extra weight

PowerBomb 041133 KTM-65SX-2020 The redesigned PowerBomb is aThe 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