I want to eventually start Autocrossing with my 92 Z28 and would like to use a four point harness while also keeping my rear seats usuable seeing as its my daily driver. I was thinking of putting in a rollbar inplace of the rear hatch cover (as seen in the attached picture) that i can attach my harness to when im on the track and deatch when i have someone in the back seat.

I was wondering if this would be a practical idea and if anyone has done something like this before. Thanks ahead of the time for the help.

-Ryan