Back seat

[Lew Silverman]

Originally Posted by Timetraveler

If you run in a class lower than M and don't need a roll bar but you run a fuel cell and need a fire wall do you still need a back seat?

Basically, yes, without a roll-bar or -cage you still need to have your rear seat in place.. The bulkhead that the rear cushion attaches to normally serves as the fire-proof barrier for a fuel cell installed in the trunk. The seat itself doesn't effect that function.