Best Exhaust For a 2003 450 Foreman?
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My quad is bored out to 447 cc and the comp ratio is 9.5:1, it also has a clutch kit. I have not messed with the factory jetting yet but it seems to run a little rich. Would a K&N filter and a exhaust help? Which exhaust?
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ATVC Correspondent
Performance Mods and Project Quads
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Sep 10, 2015 01:56 AM
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