Depending on the model year and body type of attachment may vary.
Front bumper
-open the hood.
-under the hood take out the rivets that secure the upper part of the bumper.
-take out the caps (inserted from the bottom up) around the perimeter of the bottom.
-wrenched the wheel depending on which side we understand.
-wheel arches take out the caps that secures the wheel arches and bumper corners to the wings.
-with the assistant release the latch in the wings and under the headlights and gently pulls the bumper forward (don't want to break the wires).
-remove the connectors from the equipment (if any).
Rear bumper
-open the trunk lid.
-in the opening of the trunk take out the plugs and Unscrew under them two screws.
-perimeter of the lower part and pull out the caps (inserted from the bottom up).
-wheel arches take out the rivets and removed the fender liner.
-with an assistant, carefully release the clips in the wings and under the tail lamps.
-pulls the bumper back.
-snap together the connectors of the equipment (if any).
How to remove front and rear bumper Subaru Legacy BC, BJ, BF (1989-1994)
How to remove front and rear bumper Subaru Legacy BD, BG, BK (Outback) (1994-1998)
How to remove front and rear bumper Subaru Legacy BE, BH (Outback) (1998-2003)
How to remove front and rear bumper Subaru Legacy BL, BP (Outback) (2003-2009)
How to remove front and rear bumper Subaru Legacy BM, BR (Outback) (2009-2014)