Cutting the Stovepipe

[meltman]

Hello all. I'm working on a centerfeed project with an RT Pro stovepipe body. I'm wanting to significantly lower the hopper using a Geo feedneck.
My question is around where I should cut the stovepipe.

I can cut it higher, above the vent hole, which will leave a little more rigidity in the feedneck (top arrow).
OR
I can cut it right through the hole, which will provide a "no rise" lowest possible hopper position.

Which do you think is the most appropriate place to cut? I know we're talking about a quarter inch of difference. Should I cut above the hole or right through it?