− Decrease quantity for Air Intake Tube, Silicone, Black, 90 Degree Elbow, 4.00 in. Inlet, 4.00 in. Outlet, Each Quantity + Increase quantity for Air Intake Tube, Silicone, Black, 90 Degree Elbow, 4.00 in. Inlet, 4.00 in. Outlet, Each Add to cart