common upgrade
do a search bud - covered many times, but its not a case of swapping turbos, you a new manifold, decat, oil and water lines, fmic and a healthy engine.
ideally a forged engine as running a bar on td04 is not much quicker than a hybrid ct9 due tothe lag you get with it, ideally running 1.4 bar, with anecu liek an ultimate shoudl see 250-270bhp.