The COOLSHIRT NACA duct provides air flow to the cooler 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.

Filter & Screen 3” – 4” or 10pk

COOLSHIRT’s temperature control switch is specially designed to allow individual speed control settings for the internal pump of popular Pro System 13 or 19.

Blower Hose End Fitting 3” ID x 1 ½” ID or 4” ID x 1 ½” ID