Even when Ford does finally allow tuning via Ford Performance, they can still do OTA upgrades. Most manufacturers do this. My BMW G87 M2 has already had 2 OTA updates.
I actually think FP is behind the curve ball here. Ford Authority quoted Ford as saying there were kits coming for these cars. I for one believe a lot of the slow sales for the GT is the fact the limited amount of tuning if any available.
Except the CARB EO# is only upto 2024. Ford will probably update it through CARB
I had the FRPP tune in my 2020, and I was very pleased with it. A couple of things.
1. Warranty is only good from when the vehicle went into service. If you have owned the car for a yr. it will only be a 2 yrs...
Ford finally to release calibrations.
https://fordauthority.com/2025/03/2024-ford-mustang-v8-lineup-to-get-performance-calibrations/Ford Performance Calibrations