View Full Version : Exhaust?
greco400
04-02-2005, 08:45 PM
how much more power gain does a big gun full system give you on a 400ex???
greco400
04-03-2005, 02:10 PM
This is for a friend thank you
hondarider2006
04-03-2005, 02:15 PM
Depends, what else does he have done to the 400ex?
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