If you were sr20de, then you wouldn't want to buy a turbo kit for a 1.6L and spend $500 for a mani from hotshot.
F-max was making a great bolt-on kit for the SR20 for around the same price and you got the larger T3/T4 turbo and the custom fit for the 2.0L engine...just my 2 cents
http://www.turbokits.com/nissan_turbo_kits.html