As from what I read thats the only difference between the two. And I'd rather have the trophy kit but not for an extra $900 for the 332mm (Even worse if you got in on the "fell off the truck sale" as the trophy kit is exacly double what I paid.)
P.s. I love my Stoptech kit and they are gonna be put to the test come may 1st.. Doing a track day at Willow Springs!!