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Old 11-13-2008, 06:54 PM
x94cherry x94cherry is offline
Motorized Bicycle Newbie
Join Date: Nov 2008
Location: Ferndale
Posts: 4
Default Re: Moped and Bike Mufflers

You might want to take a look at this exhaust system:

It's a 2-piece bi-turbo, an aftermarket expansion chamber muffler that a lot of mopeders use. Because the muffler and header are separate pieces, it's easy to modify to fit a lot of different bikes. These kinds of exhausts usually give you about a 3-5mph boost on a moped, probably similar results on a motorized bicycle.
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