Rear Bumper Beam Assembly

Disconnect the ground cable from the battery.
Remove the rear bumper face. < Ref. to REAR BUMPER FACE (SEDAN MODEL) , REMOVAL, Rear Bumper. >
Remove the energy absorber foam.
Remove the nuts, and remove the beam main reinforcement from the vehicle body.

Fig 1: Removing Beam Main Reinforcement To Vehicle Body
Courtesy of SUBARU OF AMERICA, INC.
Remove the nuts, and remove the bumper beam bracket and beam upper rear from the vehicle body.

Fig 2: Identifying Bumper Beam Bracket
Courtesy of SUBARU OF AMERICA, INC.