I just traded in my 03 FZ1(25,000miles) on a new 05 raven R1. Just wondering what performance mods are good. I am thinking about velocity stacks, termigoni slip on and power comander. Is the termigoni a good slip on as far as power and does it come with the new y-pipe or are there better slip on's, I liked the look of the two brothers also. How hard is it to program the power comander into the bike...and what kind of horsepower gains can i expect from the slip on, velocity stacks and power comander?