Features: Light weight premium grade aluminum alloy, rust free. Provides a more dynamic control over the intake system by forcing powerful airflow into the combustion chamber at a high speed. Turbo fuel saver fan with single / double (optional) propeller. Increase horsepower and better on gas / fuel millage. Universal fit for all vehicles with intake / supercharger size 2.36 to 3.15. Come with 2pcs rubber holders. Easy to install.