the JDM GT4 is about 255+bhp. I have a Curren and a GT4. you just cannot compare them. and the difference is not simply 50 bhp. maybe a UK gt4 spec.
I dont just say that. having the Curren for 4-5 years before i got the GT4, i was bored even when i was driving at its limits. The GT4 is another story.
And by the way, it will cost you much less to get a GT4 than to upgrade. If i am not convicing anyone just visit
http://www.st205.netCheck his story out and you will be convinced.