Yeah APS is a heap of cash, particularly when they wont be direct bolt on due to being designed for USA Left hand drive STI's.

I would just look into the AVO twin scroll kit myself or get a normal 42R turbo and modify a GTPSEC twinscroll header to fit it with a dual screamer pipe.

__________________
[url]http://img514.imageshack.us/img514/6284/evobeatsstiug6.gif[/url]