Sure, let me find out if he's still selling it, one was selling it for like 1200 or maybe he said 1400, not sure, but one was used and one was new, and they wanted about the same thing, but the used one had the ten pound crank pulley included. Let me find out the scoop and if either person still has it, I'll give you his number so you can call. As far as JDM headers go, there are a number of places that sell it.

aj-racing.com
jdmhondaparts.com
ipsracing.com
randdmotorsports.com
Modacar.com
Optauto.com

I'm sure there are others that I just can't think of, but they're all pretty much in the same ball park, actually inline four is usually the cheapest for the DC JDM 4-1, which is basically a nice copy of the OEM one, but comes in stainless or ceramic for about the same cost or less.

Easiest way to tell it's not a rip off, is look for the brackets for the heat shields, I would think most people making fakes wouldn't bother to weld on heat shiles mounting brackets. also make sure it has a 2.5 inch collector. Other than that, that's about it.

Later,
Aj