Check out an excellent selection of mud flaps for your 2001 GMC Sierra 2500. RealTruck carries a variety of styles from universal fit to custom fit, dually, towing, just to name a few. And, you can bet we have splash guards from top brands like WeatherTech, Husky, Dee Zee, Truck Hardware, and more. Depending on personal taste and need, you can also find mud flaps in an array of materials. Check out our brush strip and diamond plate. Or, take a look at our selection of mud guards in plastic or in rubber and more! When browsing RealTruck for the top brands in GMC truck mud guards, don't forget we offer free shipping.