Check out all our mud flaps for your 2011 GMC Sierra 1500. RealTruck carries a variety of styles from camo to mossy oak, oversized, receiver hitch mounted, 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 plastic and rubber. Or, take a look at our selection of mud guards in stainless steel or in brush strip and more! When browsing RealTruck for an excellent selection of GMC truck mud guards, don't forget we offer free shipping.