YOU DONT EASILY ON THE 1 SIDE. IF YOU,LL NOTICE THE FACTORY INSTALLED COUPLER IS SPOT WELDED ON. IF YOU TRY TO REMOVE IT, IT WILL RUIN THE TRACK. IF YOU HAVE TO REMOVE IT JUST TURN THAT PIECE OVER AND TAKE YOUR DREMELL AND CUT THOUGH THE WELD AND IT WILL COME OFF..