Originally Posted by Sydney
Actually Husky does now produce a version for the Summit—I installed them on my Summit a few weeks ago (front and rear). It took about 50 mins to install them, and they seem to work really well. Installation of the rears is a bit awkward (it might help to remove the rear wheel), but overall I am very relieved to have them in place—I drive on gravel roads quite frequently.
There are several threads here on mud flaps (or mud guards) over the past year. e.g. 2014 Summit Mud Guards
I finally found some at this site. Husky brand. the look very similar to the ones that glock17 has.