I think Messiah meant the other 1/2 of your zorzt ie Turbo back w/ High flow cat
I would'nt bother with turbo timer..
Do you have a plan as to what the end GOAL for your car is, If you do what is it,
If you dont then you should think about what you want from the car and what you want to do with it. ( It will save you alot of money )