I just flashed our Fiesta ST about 2 hours ago! Painless, just like the Focus ST. 
I think you guys are gonna love this programming!
http://www.fswerks.com/collections/...v3-accessport-ecu-flasher-ford-fiesta-st-2014
I think you guys are gonna love this programming!
http://www.fswerks.com/collections/...v3-accessport-ecu-flasher-ford-fiesta-st-2014