Nope its not a Z series engine, its and ED9 from europe, they are all with doch motor´s over here.
The silver thing under the intake is a flex pipe, much cheaper than cold air intake, it goes all the way from the front bumber to the intake, though i have bought and 3" cool pipe to the intake now, that looks much cooler :-)
My crx is under construction at the moment, I had some rust problems :-( ist supost to be finish´ed i january, with new rims and new color (azure blue metallic)