The top pictures are from Shannon's car, the bottom with the manifold by itself is of a HKS, look at the casting mark on number 4 cyl. in first picture. The second is the manifold turned upside down, same manifold. I have attached pictures of mine I got from COVR4 a long time ago, has mostly surface rust becasue I haven't used it yet. I have both the cast and a custom elbow for the wastegate tube both have two bolt flanges on one end, 4 bolts on the wastegate side. I also have an original wastegate as well pics attached. They are a nice part of history, but then again just paying for the name.....
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From the last picture, that doesn't look like a picture of the original HKS manifold.
Compare it with this picture that I got for mine:
http://www.pinamotorsports.com/gallery/album86/tn_DSC02650
(I tried editing this post a couple time to attach the image but I can't - mods, help)
You can see how the wastegate flange is different.
Ignore the add on SS pipe that I welded on there for the Tial 44 w/g.
My w/g outlet is cast like a small elephant nose, coming off at a down angle from the collector's back side. The previous owner had cut (I assume) the original HKS 40mm w/g flange off the "nose" and sent it to me that way. I welded my own "extension" to mount the Tial w/g.
Looks like from that picture that you have, the w/g mounting flange is flat and more for like a Tial 38mm or Turbonetics Deltagate 38mm w/g.
Is that a copy-cat HKS manifold? Mine is reasonably OLD. Mine has been around since Brent Rau was using it on his car. Then passed down a couple people before it reaches me. That one in the picture looks brand new.
