Quaife, update the trans synchros, spec clutch, fadanza flywheel,Trubendz exhaust(I think they make a 3in setup)High flow cat or no cat
The big thing is to make sure your tranny is up to the task at hand. I don't know if you plan for more boost or not. But depending on your cars mileage you my want to rebuild the motor. That way you can build it to handle more boost. search and you'll find many examples of turbo tours
