its funny...
the dx is a 9.5 front.
the si/gsr is a 10.2 front, 9.5 rear
the ITR is a 11.2 front 10.2 rear
...when i did half my gsr swap...my front rotors were the same size as the rear rotors

h:
...now the front rotors are the size of the rear ITR rotors

h: