Super Jet Dual cooling this pipe?

Location
Wisconsin
I'm having trouble finding information on this pipe. Bought it this winter because it was cheap and I figured it would be a good addition to the power over stock. I know it's a protec obviously, but I've never heard of the "DBP" chamber. All I know is that it's the older style protec pipe and stainless always seems to be better than cast like the new protec pipes. If you can see in the picture, someone modded it by adding 2" to the chamber which apparently makes it hit quite a bit harder.
ImageUploadedByTapatalk1366600381.151029.jpg

The guy I bought it from sent me pictures on how to single cool it, but I want to go ahead and apply dual right away, but I have no idea how I should go about plumbing the lines.
ImageUploadedByTapatalk1366600451.233239.jpg
Not sure if this is a normal protec head pipe and manifold, which it probably is but there is an inlet/outlet? on the inside of the headpipe shown in the pic above. As well as a inlet on the outside just before where the chamber clamps on. ImageUploadedByTapatalk1366600526.700271.jpg

In appears the manifold has already been tapped for dual cooling, but like I said, I need help.
Thanks
 
DBP is for Baker the motor guru at Pro-tec and that is a nice pipe. There are a few ways to plumb it for dual. I prefer one into the exhaust manifold and one to the pipe for a "dual circuit" set up.
 
Location
Wisconsin
DBP is for Baker the motor guru at Pro-tec and that is a nice pipe. There are a few ways to plumb it for dual. I prefer one into the exhaust manifold and one to the pipe for a "dual circuit" set up.

What exactly do you mean by dual circuit? Water into the manifold and then water into where?
 
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