Adding fender flares to your GM 2500HD/3500HD is the perfect for those who want an aggressive stance and want to gain additional tire coverage. Our range of fender flares provide additional tire coverage to protect your truck's vulnerable paint from debris. Equipping a set of fender flares on your GM truck is also the perfect way to give it a wide and aggressive stance. Built to ensure durability, these fender flares install easily without the need for drilling or cutting. Combining style and functionality, fender flares are a valuable upgrade that will give your GM 2500HD/3500HD a unique, standout look. Pair your fender flares with our selection of Mud Flaps for additional protection from mud and debris. 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.