Hi all, I was wondering if fitting a bigger intercooler to my Focus would give any gains (preferably torque

) at all?
Also, what is the next stage for more BHP for me? I have a tuning box already, I know a remap would be better but what stage would be next?
Thanks for any advice.
EDIT: I also fitted a boost controller to my car last night but i'm not sure if its had any effect. Does the ECU limit the boost also?