NACA Duct 3inch (with Flange)

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NACA Duct - 3inch (with Flange) NACA Ducts are a fantastic way to get air into the cabin of your vehicle. They provide the availability to include a hose for your helmets air duct system. NACA Ducts ‘suck’ air in by creating a low pressure zone with their unique geometry and Low Drag. This is opposed to a traditional scoop which more or less ‘rams’ air into the opening. When properly implemented, a NACA duct allows air to flow into an internal duct with a minimal disturbance to the flow. NACA Duct has a 3 inch/75mm outlet / spigot flange for mounting. Comes moulded in a flat panel for easy fitment. Show more