HP Tuners is now supporting tuning on 25+ Mavericks. That's who my tuner uses. That said, there are some changes to the engine that could impact the turbo options so more research would be needed.
If you aren't too picky, you can find used calipers off a donor MachE GT for less. I got mine for $240 each. I went with the LK9Z-1125-A OEM 385mm rotors.
Also, the MachE GT rear brakes aren't much different than the Maverick's and not worth the upgrade. I just painted my rear calipers to...
I got the front calipers off a dead 23 Mustang MachE GT from car-parts dot com and bought OEM MachE rotors. My pads were still good so I am using those. I did this upgrade since others had already proven it would work.
I don't know if anybody else has tried this but I can stop from 60-0 in 3.02s in my 2022 FX4 on the stock Pirelli Scorpion ATRs with 20k miles on them.