The braking power of the stock h6 calipers are more than plenty for pretty much everything. Get a good set of rotors, pads, and if youre so inclined a master cylinder brace, stainless steel lines, and DOT 4 fluid.
I'm running centric premium rotors, stop tech pads, master cylinder brace and goodrich ss lines and the car has great bite, excellent stopping power and removed the squish.
Now I wouldn't track with that setup but its absolutely fine for my raptor header 3.6r for everyday driving