Forums . Forum Home General Gassing ... The DreamScience unit was pretty good on our older Focus ST. I presume it'd work well on these later ones too. Advertisement. neiljohnson.
Focus St Forum >> New trim Focus ST-Line - Ford Focus Forum, Ford Focus ST Forum, Ford Focus RS Forum

Focus St Forum >> New trim Focus ST-Line - Ford Focus Forum, Ford Focus ST Forum, Ford Focus RS Forum

At least, that's what the guys on the Focus ST owners club do ^_^ The only issue you might have is if you try to use a remap that is designed for modified cars e.g. Dreamscience ModX or some of the later Collins stages.
Focus St Forum >> Personalized license plates for ST owners - Page 8

Focus St Forum >> Personalized license plates for ST owners - Page 8