The price is depending on your "style" and the amount of hp you want to create as newbie hater said above..

Heres a site that helped me out cost wise

www.turbopiping.com it also has other stuff..

I got my piping for 165.00 already welded..

 

on a 94 civic, remove the ac system including the condense and you will have enough roo for a t88 turbo if you want.