79cc Expansion Chamber Muffler with Adapterpter - Chrome
This expansion chamber enhance its power output by improving its volumetric efficiency.
It makes use of the energy left in the burnt exhaust exiting the cylinder to aid the filling of the cylinder for the next cycle.
Provides you with a boost in power and top speed.
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Our gasoline operated products are NOT compliant with Environmental Protection Agency ( E.P.A. ) or California Air Resources Board (C.A.R.B) for the use on/off Public roads. Upon purchase, the buyer agrees to use products for racing (closed-course competition) only and NOT for on/off public roads.