Expansion Chamber with Silencer
Improve the look, horsepower, fuel efficiency, and overall performance of your 2 stroke engine with this expansion chamber with silencer. This Expansion muffler has a silencer on the end to reduce noise while retaining power. For more information on how expansion chambers work visit http://en.wikipedia.org/wiki/Expansion_chamber
NOTE: May require 3pc Wide Crank Pegal Kit depending on frame geometry.