All four pans visible here, that is the underride traction bar and rollbar in the foreground..

I just plopped the seat in there to see how it looked.

Plenty of head clearance.

The rear mounting of the sub, and a good look at the undercoating..

Best picture I have of the sub-frame connectors and the undercoating.

Upper rollbar mount.

Close-up of the workmanship.

A good view of both rear floors, also the lower roll-bar mounts.