Twin Air 177764 Oval Airbox Vents (2 Vents & Covers)Twin Airs vent system opens the way for maximum airflow, while our fine toothed GP Filter Cover protects your engine from dirt and debris. The unique two piece design installs in a snap, with a foam seal that ensures a leak proof fit. Includes a black outer cover to close off the vents during extreme conditions. Round or oval. 2 vents and caps per pack. Applications: Universal Universal (all years)