Specifics and Features:High Performance Tube Racing Design, Convex design, enhanced connection.Made of High Quality T-6061 Aluminum ble MaterialHelps Reducing Engine Inlet TemperatureAllow More Horsepower at the Same Boost Level and Even More Power at the Higher Boost LevelLength Overall Size: 120MM (±1MM)Outside Size: 51MM/2.0INCH, 57MM/2.25INCH, 63MM/2.5INCH, 70MM/2.75INCH, 76MM/3.0INCH (±0.3MM)Thickne: 1.8mm(±0.3MM)100% Profeional Installer is Highly Recommended (No Instruction Included).Package Included:1 X Aluminum Notes:This product belongs to DIY tube, you need to plan the size and quantity of the purchase before purchase, in order to facilitate your installation and use.Please double chethe fitment before placing an order. e sure your vehicle matches the fitment sizes description. Modification might be Required for Some Vehicles.