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Rally Armor UR urethane mud flaps for 2019–2025 GMC Sierra 1500 AT4 provide durable four-corner protection against salt, gravel, tar and road grime. Made from flexible, UV-resistant polyurethane, they resist abrasion and retain shape in extreme hot or cold conditions. UR series flaps are made in the USA, form-retaining through harsh weather, and install without drilling for easier fitment.
Rally Armor 19-25 GMC Sierra 1500 AT4 Black UR Mud Flap w/ Metallic Black Logo
