Weathertech Mudflap Kit for 2014-2017 GMC Sierra 1500 / 2015-2017 GMC Sierra 2500/3500 No Dually Fits 2014-2017 GMC Sierra 1500 Pickups Fits 2015-2017 GMC Sierra 2500/3500 Pickups No Duallys Will not fit models with Fender Flares or Lip Moulding Perfect Fit Mudflaps feature no drill installation. QuickTurn Fastening System