A device for rear impact mitigation of a vehicle is disclosed herein. In some embodiments, the device includes a Y-shaped frame having a first leg, a second leg, and a reaction member, the reaction member having a first end and a second end, the first leg and the second leg extending from the first end of the reaction member at a first area and defining an angle therebetween, the reaction member having a straight portion proximate the first end and a curved portion defining a second area proximate the second end, wherein the frame is configured to deform at one or more of the first area and the second area upon application of a force from a rear impact event to the vehicle.