View Full Version : rev box
quadryda
12-03-2003, 02:26 PM
big gun exhaust has a cdi box that raises the rev limiter for the 400 ex is that a good exhaut how do u like it? and does the higher rev limiter bad for the machine?
cals400ex
12-04-2003, 05:15 PM
you don't need the rev limiter unless your machine is built. power won't be enhanced either. i would look into other exhausts too. if you just want a slip on, hmf makes quality products.
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