Fixed the overpipe rattle...went back to the unshielded stock overpipe. It went from resting on the frame to full on clearance all around. No more rattle now.
Video works now, below is a longer one that shows a better representation of the sound.
The sound is very interesting. I swear I hear a bit of uel rumble at low RPMs before switching to the classic el sound higher up. Awesome.
Here is an example (not the same run as above):
[ame="http://youtu.be/qdpwXfJqNGY"]http://youtu.be/qdpwXfJqNGY[/ame]