NACA Vent - Ramped

Reverse mounted these NACA vents are designed to create a low pressure area over the vent and pull air from inside the car, Any air that you can extract from the from the car helps with the speed and cooling. 

Mount them in the rear 1/4 window's or rear screen, reverse facing to a normal naca duct. Can also be mounted into bodywork


Watch this NASCAR video explaining the physics 


KYDEX version is suitable for high temperature applications such as installations over hot engines.

Available in Clear, Black, Carbon effect ABS and KYDEX ( high temperature stability )

Plastics 4 Performance Ramped NACA Vent

High quality vacuum formed Reverse NACA vent designed for air extraction , additional ramped area gives maximum low pressure over the vent to literally pull air from inside the body.

Available in Clear, Black, Carbon effect ABS and KYDEX ( high temperature stability )

Manufactured in the UK

All our products are manufactured in the UK by Plastics 4 Performance 


We ship our products worldwide, fully insured, and direct to your door.


Feel safe knowing you are purchasing your Lexan Polycarbonate windows from a family-owned business with over 20 years continual history, we manufacture everything in house from the best materials by the best craftsmen and machinery. 

''You can tell a lot about a company by the people they supply to - and at Plastics 4 Performance we supply to the best'' 

More Information
Country of Manufacture United Kingdom
Dimensions Large Size: 270mm long x 160mm wide x 50mm high (from window surface) Small Size: 230mm long x 140mm wide x 40mm high (from window surface)
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