Zodiac Z120457 Panorama Deep-Throat Air Cleaner Kit Black w/Clear AccentsPanorama air cleaners come with a gauze high flow filter to allow more air to pass your intake and feature a clear window that allows sight onto the carburetor or throttle body throat. The backing plate has an integrated velocity stack for increased performance throughout the RPM range. They are made from billet aluminum and CNC precision cut, then hand polished and chromed or anodized in bronze or black with clear cuts. Installation requires the