Auto Ventshade 684528 Chrome Ventvisor Side Window Deflector, 4-Piece Set for 2014-2018 Silverado & Sierra 1500, 2015-2018 Silverado & Sierra 2500HD-3500HD with Extended Cab Keeps rain out and lets fresh air in Reduces heat build up in parked vehicles by allowing window to be kept partially open Chrome-plated finish matches the chrome OE trim on vehicles Easy installation with no drilling required Proudly made in the USA and backed by a Limited Lifetime Warranty