The AMP Research POWERSTEPXL automatic electric-powered running board is designed for lifted trucks. The board has been integrated into a custom rocker rail and creates a seamless look while providing a 3 in. lower stepping surface than the original POWERSTEP. This allows easier access to and from the vehicle's cab. Learn about the POWERSTEPXL and its features and benefits in this new video. PowerStep XL Electric Running Board, Offers 3 Inch Additional Drop, fits 10-21 Toyota 4Runner 2016 Chevrolet Silverado 1500 Custom GAS Crew Cab Pickup, 2018 Chevrolet Silverado 1500 Custom GAS Crew Cab Pickup, 2014-2018 Chevrolet Silverado 1500 High Country GAS Crew Cab Pickup, 2015-2018 Chevrolet Silverado 1500 LS GAS Crew Cab Pickup, 2015-2018 Chevrolet Silverado 1500 LT GAS Crew Cab Pickup, 2014-2018 Chevrolet Silverado 1500 LTZ GAS Crew Cab Pickup, 2015-2018 Chevrolet Silverado 1500 SSV GAS Crew Cab Pickup, 2015-2018 Chevrolet Silverado 1500 WT GAS Crew Cab Pickup, 2015-2019 Chevrolet Silverado 2500 HD High Country GAS Crew Cab Pickup, 2015-2016 Chevrolet Silverado 2500 HD LT GAS Crew Cab Pickup, 2019 Chevrolet Silverado 2500 HD LT GAS Crew Cab Pickup, 2015-2016 Chevrolet Silverado 2500 HD LTZ GAS Crew Cab Pickup, 2019 Chevrolet Silverado 2500 HD LTZ GAS Crew Cab Pickup, 2015-2016 Chevrolet Silverado 2500 HD WT GAS Crew Cab Pickup, 2019 Chevrolet Silverado 2500 HD WT GAS Crew Cab Pickup, 2015-2019 Chevrolet Silverado 3500 HD High Country GAS Crew Cab Pickup, 2015-2019 Chevrolet Silverado 3500 HD LT GAS Crew Cab Pickup, 2015-2019 Chevrolet Silverado 3500 HD LTZ GAS Crew Cab Pickup, 2015-2019 Chevrolet Silverado 3500 HD WT GAS Crew Cab Pickup, 2014-2018 GMC Sierra 1500 Base Crew Cab Pickup, 2015-2018 GMC Sierra 1500 Base GAS Crew Cab Pickup, 2014-2018 GMC Sierra 1500 Denali Crew Cab Pickup, 2015-2018 GMC Sierra 1500 Denali GAS Crew Cab Pickup, 2014-2018 GMC Sierra 1500 SLE Crew Cab Pickup, 2015-2018 GMC Sierra 1500 SLE GAS Crew Cab Pickup, 2014-2018 GMC Sierra 1500 SLT Crew Cab Pickup, 2015-2018 GMC Sierra 1500 SLT GAS Crew Cab Pickup, 2015-2016 GMC Sierra 2500 HD Base GAS Crew Cab Pickup, 2019 GMC Sierra 2500 HD Base GAS Crew Cab Pickup, 2019 GMC Sierra 2500 HD Denali GAS Crew Cab Pickup, 2015-2016 GMC Sierra 2500 HD SLE GAS Crew Cab Pickup, 2019 GMC Sierra 2500 HD SLE GAS Crew Cab Pickup, 2015-2016 GMC Sierra 2500 HD SLT GAS Crew Cab Pickup, 2019 GMC Sierra 2500 HD SLT GAS Crew Cab Pickup ...See Application Guide for Additional Fitments