[QUOTE=207 de]A friends friend has recently purchased a 2008 betty sti. Based in Dubai so assuming a 2.5l...
QUOTE]
...aah...never Ass-u-me... remember what they say.."it could make an ass out of you & me"......

Bruce's suspension setup is a good way to start on handling.
ECUTek and exhaust are a good way to start on a modest power-up...but in Dubai?...hmmm...tricky...
I suggest that he contacts MMS (after Targa west) for some advice.