03-06 YZ450F/04-09,12-15 YFZ450 P-BOMB S
- 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
- Not for use with stock muffler.
044033