Features: Brand new and high quality. Turbo fuel saver fan with single propeller. Provides a more dynamic control over the intake system by forcing powerful airflow into the combustion chamber at a high speed. Universal fit for air intake hose with diameter between 65mm and 74mm (2.5 - 2.9 inch) . Horsepower enhancement and fuel saving capability. Come with 2pcs rubber holders. Max speed: 55,000R/Min. Material: aluminum alloy and rubber. Color: blue. Size: approx. 6.3cm x 6.3cm x 5cm. Package Included: 1 x Turbo Air Intake Fan (Single Propeller) 2 x Rubber Holder No Retail Box. Packed Safely in Bubble Bag.