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Discussion Starter #1 (Edited)
I have a 2006 Sportsman 500HO EFI I dont really know much about EFI and want to know if I increase airflow in the airbox and exhaust will the EFI compensate for the extra air and fuel requirements or.. are there other things I should concider. Initially I was just concidering a UNI air filter then later an exhaust Tip.
any Ideas?
any Suggestions?

There must be somone out there with some mods and using EFI? or I am sure the performace shops know this information.
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