I just put my art can on today, sounds way better and looks much nicer than what was on there, only deal was when I bought my bike the stock can didn't have any baffles in it soooo, point being I'm probally going to get a jet kit next month at which point the guy's at AF1 Racing are going to do a before and after dyno runs. I'll post the results when I get em.
P.S. and yes they do make pipes for the 636RR's you'll just have to wait awhile for em, cause they're made in england, and they sell out quick.
George
00 ZX6R
96 240SXT