I would think you would need to be careful of where you are cutting into the floor since they are recessed.
I had an Outlaw 29H and could not see the bottom of the tie downs from underneath the coach so I would be careful.
Have you considered using a wheel chock like this to help stabilize the bike when securing it?
https://www.amazon.com/gp/product/B0...?ie=UTF8&psc=1