[DeTomaso] Can someone help explain this manifold?

[asajay at asajay.com]

This looks like a job for Dan Jones:

http://cgi.ebay.com/ebaymotors/ws/eBayISAPI.dll?ViewItem&ih=008&sspagename=STRK%3AMESE%3AIT&viewitem=&item=180292650944&rd=1

What is this?  The seller can't be sure.
Asa Jay