so i am in desperate need of new rubber on the back of my GT. im looking into the general exclaim uhp ($121) or maby the sumitomos htr z($94) or htrz 2($88). that is for 275/40/17. $22 for shipping. is there anywhere online cheaper than tire rack with shipping around the same or even cheaper. im super tight on funds right now so im looking for the best deal. also which of the two sumitomos are beter? and is the general exclaim uhp much beter than the sumitomos?