Once you buy all the parts and pieces brand new your not going to beat 1500 bucks...If you think you can, post your findings to include shipping and fabrication costs.
Buy that kit, install the FMU and your golden.
For info on all of your above questions, I'd normally tell you to browse around NICO, but the search function doesn't work worth a crap since we switched servers.
Email me your questions,
[email protected] I'll be more then happy to explain the basics of everything for you.
There is also an article section on NICO that has several good threads about turboing your vehicle as well. Let me find the links you'll need.
Here's one link, the long FAQ I wrote appears to be gone....
http://www.nicoclub.com/zerothread?id=37527
WD