You should learn more about turbos before you make the decidion. Reasearch, and read some books. Turbochargers are a complex subject, and if you plan to add one on your car you should understand enerything about it because things WILL go wrong and you WILL have to fix them. If you don't understand everything, you will most likely blow your engine.

Learn how to read turbo maps, and make sure the turbo matches your enigne and your application. Find out everything you need to know. By that time you'll be able to piece your own kit together for cheaper.