So I double checked, and I should have thought about this before, but the frequency response looks ok for which side is high and which side is low given the roll off of the 'pass' frequency. So the label with the frequencies was indeed incorrect, but the 'low' / 'high' label was ok, which is what I was using for the 'pass' reference.
Note the attachment of the 'low' side. Notice how much the notch is encroaching on my pass frequency.
If I go to 7Mhz split, then its not as bad. Its like this notch filter was not designed for this kind of split... yet it was sold for 5Mhz split.
-J