Fender Flares

What fender flares do

Fender flares extend the edge of the fender outward and often upward so the body covers wider or taller tires. Many states require tires to be covered by the bodywork, and flares are the usual way to meet that requirement after a lift or wheel change. They also reduce the amount of mud, gravel, and water thrown onto the side of the vehicle and onto following traffic.

Styles you will see

• Pocket style: bolt-head details around the flare edge give a riveted look and add rigidity.
• Extended or max coverage: add more width, often an inch or more over stock, for larger tires.
• Cut-out or PreRunner style: follow a squared or trimmed fender opening, common on Toyota and Ford pickups.
• Full-length or combo sets: cover front and rear and may include rocker or cab-side pieces for Wrangler-style bodies.
• Replacement systems: swap out part of the body panel instead of attaching over it.

Material and finish

Most flares are molded from a UV-stable thermoplastic that flexes on impact instead of cracking. A textured black finish resists fading and hides scuffs. Some listings are paintable, which allows color matching after proper surface prep with an adhesion promoter. Metal flares exist, but they are heavier and rarely forgiving in a collision with a trail obstacle.

Choosing a set

Start from the vehicle: a flare that fits one generation of a model often does not fit the next, and front and rear sets can be sold separately. Consider how much extra tire coverage you actually need. Measure your tire width and the amount of poke past the fender, and add a little margin so the flare covers the full tread under steering and flex. Cab and bed configuration also matter on pickups, since bed length and dually fenders change which kit applies.

Installation notes

Some kits use factory mounting points, while others need trimming, drilling, or removal of the original flare. Read the instructions before starting, and test fit before committing to any cuts. Clean the mounting surface thoroughly if the kit uses adhesive tape, and install at a moderate temperature so it bonds well. Allow the adhesive to cure before washing. Re-check bolts after the first trail run, since vibration can loosen hardware.

Always confirm fitment for your exact year, make, model, and cab or body style with the manufacturer's specifications. Local rules on tire coverage vary by state.

Measuring and maintaining

To judge how much coverage you need, park on level ground, hold a straightedge or plumb line down from the outer edge of the fender, and see how far the tire's sidewall sticks out beyond it. Do this with the suspension loaded and again turned to full lock. Wider wheels with low offset poke out more than the tire size alone suggests. After installation, wash flares with mild soap and avoid harsh solvents on textured finishes. Inspect mounting hardware and adhesive edges each season, because trapped grit can wear paint under a flare. If you plan to use a pressure washer, keep the nozzle back so it does not lift an edge or tape seam.