AMP Research PowerStep™ XL - 77104-01A GMC-Sierra-2500-2015 and offers quick and easy

and offers quick and easy installation

EXCLUDES TRX MODEL Go ahead and step on it

EXCLUDES TRX MODEL Side steps for hard-working trucks

MEGA CAB  The AMP Research POWERSTEPXL automatic electric-powered running board is designed for lifted trucks

FACTORY DUAL EXHAUST COMPATIBLE Go ahead and step on it

AMP Research PowerStep™ XL - 77104-01A GMC-Sierra-2500-2015 and offers quick and easyNON PLUG N' PLAY SYSTEM 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. NON PLUG N' PLAY SYSTEM Add Wow