i believe that they arent trying to disprove what you just said, but to say that certain intakes become a restricting factor, similar to sucking through a straw.
Originally Posted by mechguy
^ Now we are getting somewhere. I bet they did this testing on a flow bench, as opposed to on an engine while using a pitot tube. That is the only explanation I can think of.
Yes, the ran it on a flow bench, where Stock GTP throttlebody with screen rated 107 CFM.