2008 YZ450F Exhaust on a '08 WR 450?
Posted March 18, 2010 - 09:24 PM
Posted July 13, 2013 - 05:52 PM
Posted July 16, 2016 - 11:15 PM
I'm making a full yz conversion but I want the full length muffler with chambers for a quiet ride.
I'm drilling holes accordingly, to have the same flow area between chambers. There's a lot of drilling because the area of the yz pipe is about 1500mm³