If you have 540hp you should ensure you have more than enough brake to stop the car. That much hp generates a lot of speed. 4 track days is a quite a few for the average guy/car. If you're running 5 sessions with that much hp you're going to punish your brakes. In reality the Aerolites are somewhat conservative.
I have 400ish hp with T56 close ratio and Kore3 C5/6 calipers, DBA rotors, Wilwood 7/8" master with Hawk HP+ pads and they are adequate but I certainly wouldn't call them powerful compared to good track systems, nor will they handle heat like the bigger systems.
Don't under insure yourself on brakes!
The other factor is grip, how big and what type of tires are you running?
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