Laser measured for a perfect fit, the WeatherTech Mud Flap literally "mounts-in-minutes™" (in most applications) without the need for wheel or tire removal and, most importantly, without the need for drilling into your RAM Ram 1500 TRX’s fragile painted metal surface. Contoured specifically for your TRX from a proprietary thermoplastic resin, these truck Mud Flaps offer undeniable vehicle protection.