Check out the top brands in mud flaps for your 1977 GMC Jimmy. RealTruck carries a variety of styles from custom fit to dually, towing, camo, 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 diamond plate and plastic. Or, take a look at our selection of mud guards in rubber or in stainless steel and more! When browsing RealTruck for the latest in GMC suv mud guards, don't forget we offer free shipping.