Features:Light weight premium grade aluminumTurbo fuel saver fan with single propellerProvides a more dynamic control over the intake system by forcing powerful airflow into the combustion chamber at a high speedIncrease horsepower and better on gas/fuel millageEasy to installCome with 2pcs rubber holdersVehicle Application: Universal fit for most cars， truck and SUVs with intake hose size 2.5" ~ 2.9"Specifications:Maximum Speed Movement: 55，000R/MinMaterial: Aluminum alloySize: 7.5*6.5cmColor: BluePackage Includes:1 x Car Turbo2 x Rubber coversThis will work all US-Car vehicle with intake is either 2.5" or 2.9" (64MM to 73MM).Installation Instructions NOT included， Professional installation is highly recommended.The Turbo Fan Intake Fuel Saver spins with the engine speed while generating a maximum force that creates powerful airflow into the combustion chamber at high speed. As air travels through an intake it bounces around bends and elbows in the hose causing it to slow down pinning air can be less susceptible to these abrupt changes in direction. gain up to 3-6 with up to 7% better mileage. You can Install in minutes and will fit most vehicles on the road but make sure your intake is either 2.5" or 3".