04-10-2002, 06:14 PM
What are the sound levels of these pipe on a stock 400ex.
Which are the most quiet and which are the loudest?
*White Brothers
*Pro Circuit
*Yoshi
*Big Gun
*FMF Powercore lV
*FMF Powercore lV Q
Which are the most quiet and which are the loudest?
*White Brothers
*Pro Circuit
*Yoshi
*Big Gun
*FMF Powercore lV
*FMF Powercore lV Q