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View Full Version : weak bottom end on z400



jaredZ400rider
02-20-2006, 06:36 PM
i have been hearing alot about the z400s have a weak bottom end. i was wondering if a pipe would strenghen it up a bit?

RiderTRX400ex
02-20-2006, 09:40 PM
do you mean in power?? a pipe would probably help, and easy way to help that is open up the airbox... makes a good difference but youll just need to rejet