As an authorized AMP Research dealer, Superior Interiors located in, Hooksett, NH is committed to helping you choose the right AMP Research product for your vehicle. With four PowerStep lines, BedSteps, Bed Xtenders and accessoriesSuperior Interiors will help you select all the options you need for your lifestyle. Superior Interiors has a wealth of experience when it comes to power running boards, bed steps and bed extender products.Superior Interiors offers the best choice of PowerSteps, BedSteps, BedXtenders and accessories. They also sell and install other truck, Jeep & SUV accessories. If you want the best deal on a brand new AMP Research product and want it done right and quickly then head over to Superior Interiors in Hooksett, NH your local preferred AMP Research dealer.