An energy absorption member configured to be coupled between an automobile rail and a bumper, the energy absorption member comprising: a plastic crushable body defining a first end and a second end opposite the first end along a length of the crushable body; a plastic first mounting portion disposed proximate to the first end and monolithic with the plastic crushable body, the first mounting portion defining at least one first attachment member configured to attach to the bumper; and a plastic second mounting portion disposed proximate to the second end and monolithic with the plastic crushable body, the second mounting portion defining at least one second attachment member configured to attach to the automobile rail, wherein the energy absorption member defines a plurality of voids that each extend along at least a portion of the length of the crushable body, wherein the crushable body defines a hub, and the voids are disposed radially outward with respect to the hub, wherein the plastic crushable body further defines an inner wall that defines the hub, and an outer wall that is disposed radially outward with respect to the inner wall, the plastic crushable body further including a plurality of ribs, wherein the ribs extend radially outward from the hub to the at least one outer wall, thereby forming the plurality of voids, wherein the voids are enclosed by the outer wall, the hub, and adjacent ones of the ribs along a plane that is oriented normal to a longitudinal direction L, wherein the hub is at least partially closed at one of the first and second ends and open at the other of the first and second ends, and the voids are at least partially closed at the other of the first and second ends, and wherein the crushable body, the first mounting portion, and the second mounting portion are injection molded as one monolithic apparatus. a plastic crushable body defining a first end and a second end opposite the first end along a length of the crushable body; a plastic first mounting portion disposed proximate to the first end and monolithic with the plastic crushable body, the first mounting portion defining at least one first attachment member configured to attach to the bumper; and a plastic second mounting portion disposed proximate to the second end and monolithic with the plastic crushable body, the second mounting portion defining at least one second attachment member configured to attach to the automobile rail, wherein the energy absorption member defines a plurality of voids that each extend along at least a portion of the length of the crushable body, wherein the crushable body defines a hub, and the voids are disposed radially outward with respect to the hub, wherein the plastic crushable body further defines an inner wall that defines the hub, and an outer wall that is disposed radially outward with respect to the inner wall, the plastic crushable body further including a plurality of ribs, wherein the ribs extend radially outward from the hub to the at least one outer wall, thereby forming the plurality of voids, wherein the voids are enclosed by the outer wall, the hub, and adjacent ones of the ribs along a plane that is oriented normal to a longitudinal direction L, wherein the hub is at least partially closed at one of the first and second ends and open at the other of the first and second ends, and the voids are at least partially closed at the other of the first and second ends, and wherein the crushable body, the first mounting portion, and the second mounting portion are injection molded as one monolithic apparatus.