01-06 YZ250F/01-13 WR250F P-BOMB S/S
- The expansion and contraction of exhaust sonics through the system causes increased flow
- Position "Bomb" increases performance; horsepower is increased as much as 10%
- Act as "pre-muffler" helping to lower the decibel output
- Utilize FMF's patented module precisely located at the initial stage of the header
- Not for use with stock muffler.
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