AMP RESEARCH POWERSTEP Hoodies 5" Horn when used with

5" Horn when used with a Max Effort Tune

The easy-to-adjust bags feature individual inflation valves that allow for separate side-to-side or front to rear adjustment

All piping is hand fabricated and powder coated to last the life of the truck

DESCRIPTION Step into your 2020-2022 GM Silverado 2500/3500 with the AMP Research 77254-01A Powerstep XL

AMP RESEARCH POWERSTEP Hoodies 5" Horn when used with2011 2014 GM SILVERADO SIERRA 2500HD 3500HD (DIESEL ONLY) DESCRIPTION Step into your 2011 2014 Chevy Silverado and GMC Sierra with the AMP Research 75146 01A PowerStep. The AMP Research PowerStep is a retractable electric powered running board that instantly extends when you open the door. Once the door is closed, it then hides itself safely out of sight for improved ground clearance, aerodynamics, and appearance. Invented, engineered, and built in