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Medium NACA Duct, Single Hose

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Our NACA ducts were designed using computer-aided analysis and wind tunnel testing for maximum air flow with minimal drag. They are molded from tough, high-impact plastic. An integral flange (approximately 3/4" wide) makes them easy to rivet to body panels or bond to composite panels with epoxy.

This Medium size has an outlet nipple that accepts our 3" duct hose (sold separately). Approximately 9.5" long x 4.5" wide opening is just right for most applications such as air dams or side windows. Choose Clear or paintable Black plastic.

Note: These ducts are designed and built for racing use. They are not built for show cars. You can sand and paint them, but do not expect a "show-quality" finish out of the box.

Enter desired order quantities below, then click the "Add selected quantities to cart" button.

Order Qty
Part No.

Condition: New

Medium NACA Duct, Single Hose - Black

$21.49In Stock

Condition: New

Medium NACA Duct, Single Hose - Clear

$26.99In Stock
Related Product Groups
NACA Air Inlet Ducts

I would definitely buy this product again


I needed an air duct to supply cooling air to my oil cooler in an experimental aircraft. The NACA duct was the answer.


Crowley, La.



High quality and the fit was perfect.


Roseville CA


Outstanding service


I have been a Pegasus for several years now and have always been satisfied with there service. The on line order process is easy. I get what I ordered with no mistakes. Their packaging protects the parts during shipping. No complaints. Rick

Racer Rick

Washington Missouri


Medium NACA Duct, Single Hose

5.0 3