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Goodmark Cowl Induction Flappers

4.67 out of 5 stars 3 Customer Reviews

In order for a cowl induction system to work, you need a vent which can be opened and closed, and air. Air is all around us, so that's easy, and Goodmark cowl induction flappers work for the vent. These flappers remain closed at lower speeds, and then, when the engine starts working harder at higher rpm, they can be opened. Goodmark cowl induction flappers are OE-quality or greater and will have your classic Chevy breathing deeply in no time.

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