My reducing coupler came in. 3.5 inch to 3 inch. It is used to connect from the air intake elbow to the intercooler (vaporizer). The piece that is in front of the oval shaped throttle body and makes a 90 degree turn into a 3.5 inch round opening.
So I took some shots of what I've got and will be contacting a guy to do some aluminum welding for me, hopefully this week. I'll have him work out the fuel injector bung and holder of the fuel rail on the bottom of the intercooler as seen in these pics. It is being converted into a vaporizer box.
Thanks for your time.