What would you do with this:
(http://home.comcast.net/~jersiboi/images/rustypipe.jpg)
if this was your bike. And you had no sandblaster!
-The Boy From Jersey-
use sandpaper. Then grill paint.
See the Exhaust temps? (http://www.gstwins.com/forum/viewtopic.php?t=11807) thread for some suggestions on the paint to use.