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Old 04-09-2010, 12:37 AM
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AaronF AaronF is offline
Motorized Bicycle Elite Member
Join Date: Aug 2009
Location: Illinois
Posts: 389
Default Drilling the muffler+Air Cover Mods

What size of drill bit and how many holes would be acceptable drilling on the muffler end cap and carb air cover? I wanna gain what performance I can with these mods for free! Thanks.
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