The TR10010 TRX-4 Wing Top Vent is a direct fit the to the Traxxas TRX-4 Defender body. This part replaces the stock sticker and is held in place with a M3x6 screw AXA0113 (sold seperately).
This style vent is typically installed to winterize the military spec Defenders. It prevents snow & moisture build up from entering the heater vent & intake system.
PLEASE NOTE: This part can also be used on the Team Raffee D90 & D110 bodies.