Well, had a great time with the SGT at the track today and the brakes held up superbly. Keep in mind I ran on street rubber and HP+ pads, not exactly a fast setup, so not super taxing on the brakes. Pacific Raceways has a long front straight which can be very fast at the end. Today, I held my speed at 120MPH, not wanting to overheat the brakes and tires unnecessarily; plus few people go faster than that so I wasn't going to hold anyone up. Anyway, on street tires, Turn 2 is about a 65MPH sweeper so I was repeatedly slowing the car from 120 to 65 with no problems.
So, for this level of driving, this brake setup was just fine.
The SGT handled really well; I'm very impressed. My last Mustang was a track prepped (had just about everything Maximum Motorsports sells for suspension and chassis) '03 SVT Cobra and I'd say the SGT with the Ford Racing Suspension was it's equal, if not better, in the handling department. I didn't miss the extra power (my Cobra put down 435HP in open track trim, er, pulley) and I definitely did not miss the supercharger whine!
Fine times were had