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Large NACA Duct, Dual 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 Large size has 2 outlet nipples that accept our 3" duct hose (sold separately). Approximately 10.5" long x 9" wide opening requires a lot of space but delivers huge airflow that can be directed to two separate targets. 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

NACA Duct, Dual Hose - Black

$23.99In Stock

Condition: New

NACA Duct, Dual Hose - Clear

$28.99In Stock
Related Product Groups
NACA Air Inlet Ducts

Large NACA Duct, Dual Hose


The only streamlined was to keep things cool. Very sturdy for molded plastic.


St. Louis


Large NACA Duct, Dual Hose

5.0 1