I put a post on ADVRider with pictures on the installation of Dirt Bagz on my new '07 525 EXC.
http://www.advrider.com/forums/showthre ... ost4859653
I failed to mention that you do have to trim a bit from the plastic sub fender to get the new bracket to clear. Otherwise it was fairly straightforward after figuring out how to do this. This makes it possible to carry jackets and lighter stuff on DS rides with this bike and keep the seat clear.
Stu