Turbo upgrade
 

Ill be getting a 91' 964 turbo soon and want to change out the stock turbo for a GT30R. What will i need to accomplish this? What IC should i use? What chip? What headers and exhaust? For the exhaust setup id like a track car sound but street legal in terms of loudness.

You will get a better response to this if you post on the 930/turbo board. As far as I know, you will need an adaptor for your turbo to intercooler (may want to upgrade intercooler depending on which one you have) probably need to alter the sheet metal, and will need a different mounting bracket, and a different flange for your headers. This is just what I have heard in the past since I have only upgraded to KKK's. try the turbo forum for more precise alterations. good luck!