Check out a wide selection of mud flaps for your 2004 GMC Canyon. RealTruck carries a variety of styles from mossy oak to oversized, receiver hitch mounted, realtree, just to name a few. And, you can bet we have splash guards from top brands like WeatherTech, Dee Zee, Gator, 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 all our GMC truck mud guards, don't forget we offer free shipping.