If you do a turbo, do the windstar intake mod too. I saw a guy on another forum that did that with twin turbo and was pushin like 580 something HP in a v6.
You can get way better flow, especially out of a cold air setup (8-14 hp increase reported)Not to mention it just looks a hell of a lot nicer than the stock aluminum intake.
here's a website w/a kit for $395
http://www.vapauto.com/windstar.html
There are other cheaper ways to do it too but i can't find the links i had. do some digging im sure you'll find it.