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Brake Cooling Duct Hose Diameter (in.)
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Keyser Manufacturing NACA Ducts

4.3 out of 5 stars 10 Customer Reviews

Get more air and less drag with Keyser Manufacturing NACA ducts. They're manufactured from strong ABS plastic and designed to direct air for cooling. You can install them on body panels to get cool outside air to your brakes, oil coolers, or even your helmet. Keyser offers ducts in several size and shape options to fit your application.