I had The pilot sports (granted not the cup) on the front for a while, was a 225 40 r17 on a 9"rim and the amount of flex was horible and they had almost no grip, squeeled horibly in hard corners to. Was so bad that I actualy took them off and got someting else...
By comparison, I had RE 050 bridgestones on the front before that in the same size and they were excelent...