200 TQ 10V Engine upgrades

[DevilInsidetunin at aol.com]

Hey Guys, 
    I'm looking to furshter performace inject my engine but I'm at a loss. 
Besides the obvious turbo, intercooler, and exhaust upgrades, The cam, Does this 
add any performance when swapped with a T.A.P., Schrick, Kent, Piper, or even 
a Blau?? I've already did the Chip and spring upgrade but I want to do more.. 
What exhuast system do you guys recommend??