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Old 08-01-2010, 08:33 AM
Bikeguy Joe Bikeguy Joe is offline
Godfather of Motorized Bicycles
Join Date: Jan 2008
Location: up north now
Posts: 11,531
Default Re: extended exhaust question?

Well......I have seen some four stroke Chinese scooters come from the factory with expansion chambers on them. They run fine, but there is no advantage to using one on a four stroke.
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