Fmf 040073 Fmf Pwrbomb Yz250F '01-06

Features

• 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