Making your Ford 4×4 into a mudding truck can require as few or as many modifications as you would like. Any truck can go in the mud, however, modifications make the truck more likely to successfully get through the mud. You will need to modify your Ford if you plan on entering off-road competitions with it.
Research modifications and decide what you want to specifically do with your Ford. The modifications you would need to do a little bit of backyard bogging are far less extreme than the modifications people need to make in order to compete in big mudding competitions. You don't want to spend thousands of dollars building a monster truck just to cruise through a few local trails around your house. Figure out what type of mudding you want to do with your truck and check out the modifications that seem to be the most beneficial for those goals.
Upgrade your tires. Installing off-road tires is one of the most efficient upgrades you can make to any truck you want to take mudding. Several different tire manufacturers produce Mud Terrain tires (M/Ts). Decide on the type of tire you want to purchase and the size of the tire. Note, you will have to add a lift if you want to install significantly larger tires on your truck.
Lift your truck. Lifts come in varying sizes and are made by several different manufacturer's, so you will want to select the lift that works best for your truck and what you plan on doing with it. Be aware that lifts can significantly alter the way your Ford 4x4 drives on and off road and can increase your chances of having an accident. If you have never driven a truck with a lift, you will want to do so before you install one on your own vehicle.
Upgrade your bumpers. Change your factory bumpers out and install off road bumpers. You will want these when your mud truck gets stuck and needs to be pulled out by another vehicle. Aftermarket bumpers are sturdier than stock bumpers and you can purchase them with a place for installing a winch, which is always a plus when you're mudding.
Buy and install a winch. The winch can pull you out if you become stuck and no other trucks are around. You are also less likely to damage your Ford if you extract it with a winch versus pulling it out with another truck. Make sure your winch is designed to pull more weight than your truck currently weighs.
Modify as desired. As you continue mudding in your Ford, you will become aware of new equipment and options that you may want to purchase or use to improve your truck's performance. In order to have the best mud truck you can, you will always be continually upgrading and modifying your truck.