Equip a set of heavy-duty Mud Flaps on your GM truck to keep debris such as mud, stones, sand and more off of your trucks paint! Whether you're an overlander, towing specialist, or simply a daily driver, mud flaps shield your truck from road and trail debris! Our selection of mud flaps is specifically designed for your GM 2500HD/3500HD and seamlessly integrate into the design of your tough truck. Alligator Performance is sure to have a mud flap set perfect for you. Check out our selection of Fender Flaresfor additional protection and aggressive style. GM Duramax Fitments: 2007, 2009, 2010 GM 6.6L Duramax.Submodel Fitments: WT, Custom, LT, LTZ, High Country, 1LT, 2LT, Pro, SLE, SLT, AT4, Denali.Some exceptions apply, please see individual product pages for specific fitments.