If you mount this under the rack where the wind deflector goes, is there no more need for the wind deflector? In other words, will the light bar cover act as a wind deflector as well? Kyle Relleen 28 March 2020 07:48 Updated Follow If you have the light bar mounted underneath the tray, it will block the wind deflector, so there is no need to have it mounted. However the light bar will not act as a wind break. Front Runner team. This question is about: 40"/1016mm LED Flood/Spot Combo w/Off-Road Performance Shield - by Front Runner (RRAC101) Comments 0 comments Article is closed for comments.