Ok so here is what you need...
RPM True Tracks
80562 (cheaper off fleebay)
8ight-t Mud guards
LOSA1724
SportWerks Titanium 50mm hinge pins
SWK9000
SportWerks 3mm e-clips
SWK2292
2-zip ties
You will need to trim up the dirt sheilds to avoid contact on the inside a little bit and you will need to drill an extra hole to lace the zip tie through and drill the standard hinge pin hole a touch bigger to fit. This mod takes minutes and is AWESOME!! It is a MUST have for any serious racer iMO, manya days my revo's rear shafts and arms had 20lbs of mud caked in after a heat or main.. this really helps keep that clear and keep you in control of your truck!
PS I know I have a few holes in the pictures on the top of the mud guards.. I tried other ways of mounting first.. those are not needed, simply slide on the longer sportwerks hinge pin and zip in the other and you are good to go. I would replace the zip tie now and then to assure you don't have it give out during a race though.
Please if anyone still frequents the Traxxas site, link this over as I know others were interested in a good way to get this setup that could take a beating.