374215

GRUBEE Expansion Chamber Exhaust

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Compatible with GT5, GT5A, GT2A, GT2B

The Expansion Chamber Muffler. This expansion chamber used on a two-stroke cycle engine to 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.
It is the two-stroke equivalent of the tuned pipes (or headers) used on four-stroke cycle engines.
provide you with a boost in power and top speed.

This is a direct OEM replacement and will fit either a 48cc or 66cc motorized bicycle and is guaranteed to last.


USD : 15.4

WASHING INSTRUCTIONS:

Machine wash separately in cold water on a gentle cycle. Tumble dry separately on low heat. Add QE Home Wool Dryer Balls to reduce wrinkles and increases drying efficiency. Touch up with a low heat iron as needed. Do not bleach or dry clean.

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