Mifeier Sun/Rain Guard Window Visors Wind Deflector Fit 07-13 Silverado/Sierra 1500/2500 HD/3500 HD New Body Extended Cab 4pcs Fitment:2007-2013 Chevy Silverado 1500/2500 HD/3500 HD Extended Cab Only (Not Fit 2007 Classic Body or Other Cab Models), 2007-2013 GMC Sierra 1500/2500 HD/3500 HD Extended Cab Only (Not Fit 2007 Classic Body or Other Cab Models) Item-offered, 4pcs vent shade window visors (Installation instruction is not included,please check the sample installation picture above for reference) Style, Tape-On Style (Stick on to the door & above the windows.Not In-Channel Style) Position, 2pcs for front doors and 2pcs for rear doors Installation, Direct Tape-On Design,Easy Peel-N-Stick Installation.No Cutting or Drilling Required