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NACA Duct - 3" (clear)

The COOLSHIRT 3 inch NACA duct provides air flow to the cooler or helmet blower in order to help cool the driver. The NACA duct brings in fresh air from outside of the car instead of having to rely on the hot air inside of the car. This provides drivers with fresh, cool air to their helmets. Can be used to bring outside air into vital compenets such as transmission coolers, oil coolers and differential coolers. Use our 3" inline blower to increase air flow.