HEADER S/S PBMB YZ450F

Utilize FMF’s patented module precisely located at the initial stage of the header

Position „Bomb” increases performance; horsepower is increased as much as 10%

Act as „pre-muffler” helping to lower the decibel output

The expansion and contraction of exhaust sonics through the system causes increased flow

NOTE: Will not pass 2025 FIM sound regulation