As an authorized AMP Research dealer, Johnson's Performance Center located in, Concord, NH is committed to helping you choose the right AMP Research product for your vehicle. With four PowerStep lines, BedSteps, Bed Xtenders and accessoriesJohnson's Performance Center will help you select all the options you need for your lifestyle. Johnson's Performance Center has a wealth of experience when it comes to power running boards, bed steps and bed extender products.Johnson's Performance Center 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 Johnson's Performance Center in Concord, NH your local preferred AMP Research dealer.