STYLE JDM Mugen Tape-On Style. 1 X Pair of Toyota Sienna | JDM Mugen Tape-On Style Rear Side Window Visor ( Left & Right ). A Vent Visor will also Help you Save on Fuel Costs and Improves Gas Mileage because you Don't Have to Run your Air Conditioner to Keep yourself Comfortable while Deflecting Wind (Like an Airplane Wing) to Minimize the Wind Resistance Known as Drag that Impedes your Vehicle's Forward Motion.