Description: Product Name: Turbo fuel saver fan with double propeller Made of high level aluminum alloy and rubber, waterproof, fireproof, lightweight and durable, long service life. Provides a more dynamic control over the intake system by forcing powerful into the combustion chamber at a high speed. Horsepower enhancement and fuel saving capability. Easy installation:You just need to remove your original air intake turbo and install. Direct replacement, stable performance, high reliability. But We recommend professional installation. Universal fit for air intake hose with diameter between 65mm and 74mm (2.5 - 2.9 inch) . Come with 2pcs rubber holders. Specification: Color: Black, Blue, Red, Weight: 220g Caliber: About 6.5cm Length: About 7.5cm Material: Aluminum Alloy + Plastic + Silicone Silicone Sleeve Height: 55mm Applicable Models: Universal Package Includes: 1 Piece Intake Fan 2 Piece Rubber Loop Note: Color might be slightly different due to the color calibration of each individual monitor. Please allow slightly measuring deviation due to manual measurement.