CVF Racing water pump?

Yall, just get a Flowkooler and you won't have all that BS to put up with.
Still have to put up with plugging the hose connection stubs BS in some situations and that company states:
From 0-3,300 RPM…Nothing Beats a FlowKooler”.......
I’m sure it’s a fine piece but by how much does it beat any other hi-flow/volume pump?? Are they talking by a scant few degrees or 10-20+ degrees??? And what if you cruise higher up in the rev range than 3300 rpm (which I and surely others do)...obviously some other pump(s) beats theirs. Which one(s)?? This begs the following: