how much of a roll cage do i need for the following vehical:

pignose 89 240sx, hatchback w/ aftermarket sunroof
its all of the following:
street car - crawling thru the window aint a very good option
drag car
autocross car
road course car
possibly a rallyx car
maaaaybe a silver state classic car … if i get ballsy

SALA front suspension (no struts)
solid rear axle
2 seater - not 4
400hp v6 - later bumping it up around 800
t5 5 speed tranny

GO!