I'm having the same issue right now. I run Rovos 18x10.5 in rear with Toyo Proxes 305/35/18 tires. I noticed a rubbing ring around my rear tire and looked inside the fender and there's rubbing marks. I don't really want to roll the fenders so I am going to replace my shocks first, hopefully that solves the issue but if it doesn't then I will roll the fenders. We shall see, but I wont be driving it for a while until i can do this. Also someone told me my camber in the rear can be off. If anyone has any other ideas