Not for the faint of heart (or wallet!), The PowerFactor Dry Exhaust system has been used by the top freestyle riders for the last 7 years, and has won 6 world championships. It is an essential add-on for those with extensively modified superstock and stroker engines that are looking to optimize maximum horsepower. Fits all years Yamaha Super Jet. Comes complete with the exclusive tune-able head pipe, aluminum chamber, tuned exhaust manifold and all required hardware. Available in Resonator or Waterbox option.
