The roll bar deal is a slippery slope. When you put the roll bar/cage in you are telling the race track inspector that this car is more race car than street car. That may subject you to further safety inspections/ requirements. You mentioned a 6 speed, they may require a scattershield or kevlar clutch blanket. Then you have to have a fire jacket. If it's a cage they may require a window net. Then they will require 5 point harness. Then they will require an exterior battery shut off. Then they will require ....

Been there done that. You can take a nice street ride and screw it up just for some runs down the track. Just curious, Rick, why do you really think you need the roll bar? Is it something you promised to someone?