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View Full Version : How loud is a stock 400ex pipe?


Hondaexboy
01-30-2006, 07:28 AM
Hey
Do any of you know how loud a stock 400ex pipe is
Thanks:D
JF400EX
01-30-2006, 07:51 AM
I had mine checked at a GNCC tech last year and it was just above 80 decibels...