It's really east to swap rotors man. There are a couple screws that hold the rotors in. Once you take them out the rotor will come right off. Just make sure when you put the rear brake pads on that everything lines up. Have someone push the brake pedal down while you check that the piston on the caliper is seated properly on the brake pad. All in all it'll probably take ya like an hour to do all 4 wheels.