Depending on the year of release of the attachment can vary.
Front bumper
-open the hood.
-under the hood, Unscrew the four screws that secure the top.
-Unscrew the seven screws around the perimeter of the bottom (spun up).
-wrenched the wheel to the side.
-wheel arches Unscrew the screws that attach the fender liner to the bumper.
-Unscrew one screw on each side (spun upwards) holding the corners of the bumper to the wings.
-we release the latch in the wings (pull the corners themselves).
-with the assistant pulls the bumper forward (don't want to break the wires and hoses).
-snap together the connectors of the fog lights.
-switched the hoses to the headlight washers (if any).
Rear bumper