take the botttom exhaust part off where it conects to the engine there will be two bolts remove them carefully, and unbolt the exaust expansion chamber from the frame, once lower exhaust expansion chamber is off there should me a little washer inside the pipe at the engine side shake it or try and pull it out so it falls out then bolt it back on to the bike with out the washer inside it. saffeee.
Ollie, April 2009