This black UV treated plastic ram air induction scoop forces more air into your Jeep ventilation system to increase interior ventilation up to 60 percent. Installs over factory hood vent without drilling. For maximum air flow, the scoop should be mounted facing the windshield.. This black plastic ram air induction scoop from Omix fits 78-86 Jeep CJ and 87-95 Wrangler YJ.