Our wind deflector is designed to help control the wind noise associated with adding a rack to your Jeep. The wind deflector attaches to all full length Adventure Racks for the JK, #44088 and the half rack for the JK, #44098. The wind deflector is made from aluminum and is black powdercoated. All bolt-on design and also includes all mounting brackets. #44088 will only work on the full length Adventure Racks, #44092, #44094, #34088, #34095, and #44098 will only work on the #44099 Half Rack for the JK.