It's all in the ECU mate. It is removable, AFAIK, just need someone who can do it. Plenty of services that can oblige. If someone on here doesn't respond, just Google it mate
2005 T230 LX 90 TDCi LWB ST 17" alloys Focus ST170 seats Fiesta Zetec S/W & G/K Mondeo Inner Door handles & vents Sport spoiler Blacked h/lights Side bars Facelift rear lights Lined/carpeted Lowered on Gaz kit 110 intercooler De-Cat Remapped