Quickly and easily Eliminate unibody hitch noise from towing or hauling hitch-mounted equipment like a trailer, bike rack, or cargo rack! Daystars Silent Hitch is a polyurethane isolator you install into your 2 inch receiver. You then use the 1-1/4 inch accessory of your choice, not included, to haul in silence, be it a trailer, bike rack, or cargo rack!