Frame or chassis options for A bodies

Hey Everyone, thanks so much for the replies and understanding of the question as I have been away from my cars for some time.

Did not know that these options were available, so its exciting to see.

I have several A-body cuda's and am interested in converting one to a fun street/track day car and honestly I thought that in order to get the rigidity, I would need to fully replace the frame.

Can anyone give some feedback on any of these options as to quality, cost to product considerations, ending benefit? Why one over the other?

Best

Andy