RX7 SAFTEY? FC are the rx7 fc cars safe at all ? and if nott what cann make them safer?

i just bought a rx7 fc and i dont know how safe it is i was wondering if there safe at all if nott is there anything i can do to make it safer i mean i see people racing jdm civics i cant imagine if there safe either i was just wondering whats the crash ratings on them please give me a educated opinon thank you