I had planned on doing a aluminum framed 500 this winter, so I've been gathering all the parts I was going to need. I realized I had all the parts and decided I'd start my winter project, next thing I knew, it was done. It took a couple of weeks only working on it some evenings and weekends.
I'd like to give a shout to AJ and Service Honda for the pipe, it wasn't a direct bolt on, but sure was alot easier than modifying a KX pipe. My impression of the pipe, it seems to have more bottom end than the Pro Circuit, either the modified Honda or the K5 pipe, but then that has been my impression all along FMF= bottom end PC= mid top end.
Anyways heres a pic.