Check out the HMF slip-on pipe in action on our 2007 Honda CBR600RR project bike. We strapped it to the dyno at...
...West Coast GP Cycles and saw some pretty solid gains, not to mention it looks great and dropped a few pounds.
Check it here:
http://www.youtube.com/watch?v=9hShUF0LTHs
More info on the HMF pipe:
http://hmfracing.com/
West Coast GP Cycles
http://www.westcoastgpcycles.com/index.html