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Old 05-03-2015, 09:29 PM
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Davezilla Davezilla is offline
Motorized Bicycle Elite Member
Join Date: Mar 2014
Location: San Antonio Texas
Posts: 2,710
Default Re: Best engine kit?

Another trick is to remove the end cap off the muffler and drill 3 to 5 5/16" holes in the end cap which will add more top end power with slightly better bottom end torque and the bike will still be fairly quiet...
there's a lot more power to be had with the exhaust by adding an expansion chamber pipe but a de restricted straight pipe will give a noticeable increase while keeping fairly quiet.
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