HP Air Filter Uni dual throat

Uni "Dual throat" Chrome pod with Eurethane end. ID: 1 5/8(42mm)-1 3/4" (46mm) This chrome pod filter features a deluxe chrome end cap, black foam element, black Uerethane snout with a stainless clamp. Jetting change or carburetor upgrade is normally necessary to achieve maximum performance. This new series uses a 5/16"wide clamping area to fit all popular carburetor models.