We then made sure the tires were pointed straight before removing the box. From there, we loosened and removed the bolts that anchor the box to the side of the front subframe. We used a 9/16-inch wrench with an air ratchet to take off the bolts. With the rag joint bolt already removed, we were able to drop the box out of the car. Depending on your application, you may need to loosen or remove the driver side header gain enough access to remove the box.