That is for any year or model Duratec, the author just had an 05 ZX3.
It is called a CAI but it doesn't really matter. Both a CAI and an SRI are intakes. the only difference is length and filter location, so I don't see what you mean by principles applying from one to the other.
Looking for 17x8 wheels to race on! PM me if you have something!
Disciple of the "Push harder, suck less" school of autocross.