PowerStep ™ Xtreme is for extreme conditions for those owners who live and work in challenging environments. Made specifically for extreme environments, sub-zero winters, mud caked rockers; AMP Research PowerStep ™ Xtreme is designed to hold up to the extreme because of its dual motors. It is built extra powerful to hold up to the demands. Features all hardware necessary for installation. Product comes with easy to understand vehicle specific installation instructions. Be sure to read and precisely follow the provided instructions when installing PowerStep Xtreme ™ Power Running Boards.