Frame Connectors

Well I got my connectors today. Test fit them. Looks like they should fit. There is only one thing though. My cart has torque box's on it so I could not get them up there all the way. I don't know I think I am going to have to remove the torque box's put the connectors on, then reinstal the torque box's. What do you think?

Why would some one put on torque box's but not connectors?
Did some cars come with torque box's from the factory?