Thats great news for us 13 and early 14 GT owners. Sounds very positive!
I would like to add one thing, and this isn't a debate. I called Ford Racing about this tuner, and he said it shortens your powertrain warranty to 3/36 from 5/60. I asked several times, and it was very clear.
2014 Mustang GT Premium/ Build Date: 05-17-2013/ 6-speed manual, 3.31's / Deep Impact Blue / 400A, Brembo Brake Package, Comfort Package, RR Sensing Sys/Security Package / Borla S-type Cat-back with X-pipe/ Modern Billet aluminum shift knob/ 20% tint