'69 Barracuda T56 swap, floor, cross member

That's crazy. I had to go look!
Mine is a T56 Magnum TUET11009; looks like it is different than yours.

View attachment 1716378914

And picture from American Powertrain web:
View attachment 1716378918
Mine is the same part number as yours.

T56 Mugnum GM Close Ratio.jpg