I'm in the process of putting together a budget U13 SR20DE track hack.
The basis is a NZ-new Bluebird SE, and I have a Jap import Bluebird SSS-G parts car.
Despite both being rated at 107kw, they have very different exhaust manifolds. The Japanese one has a nice steel one, whereas the Kiwi one has a nasty cast jobby.
Thought I'd post up some pics in case anyone's interested. Japanese one on the left:
And from behind:
