Weird. Can't say I have that happen on my factory Brembos. You may want to take the wheel off and spin the rotor and hub back and forth by hand and see if you can see anything happening like rubbing or something.
2011 Sterling Gray Metallic 5.0 GT Premium, Manual, 3.73, Brembo, HIDs
Mods: 2010 AM GT500 wheels + Bridgestone Potenza S-04, GT500 axleback, MGW race spec, FRPP P springs, KONI STR.T struts/shocks, Steeda adj. panhard, BMR rear LCAs+relocation brackets