Overview Reviews Product Description Step Bars - PowerStep XL - Power-Deploying - Mount Kit Included - Aluminum - Black Anodized - Extended / Crew Cab - GM Fullsize Truck 2014-18 - Pair Product Videos Custom Field Product Reviews Write a Review Write a Review × AMP Powerstep Xtreme 14- GM P/U Ext/Crew Cab Rating * Select Rating 1 star (worst) 2 stars 3 stars (average) 4 stars 5 stars (best) Name Email * Review Subject * Comments *