As an authorized AMP Research dealer, Custom Car Sound - Springfield located in, Springfield, MA is committed to helping you choose the right AMP Research product for your vehicle. With four PowerStep lines, BedSteps, Bed Xtenders and accessoriesCustom Car Sound - Springfield will help you select all the options you need for your lifestyle. Custom Car Sound - Springfield has a wealth of experience when it comes to power running boards, bed steps and bed extender products.Custom Car Sound - Springfield 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 Custom Car Sound - Springfield in Springfield, MA your local preferred AMP Research dealer.