Originally Posted by
micaredwrx
You'll need a STI ECU and the transponder chip (to match) for your key, Then just follow the instructions in the link you posted.
I did the same a while ago and haven't looked back
If you're not confident with wiring then get an auto electrician to do it (I did).
So what your saying is it's just easier to change the heads, as i don't have the loom nor ecu