Features:1.Every product has a unique Manufacturing Part Number label on the inner package that proves it has been qualified,which include Part Number,Model Number and inspection date information;2.If you have any questions about the item,please provide us the Manufacturing Part Number for checking,your profits will be guaranteed.3.After installed this product, the pressure blowing out of your exhaust will make your vehicle sounds like a turbo vehicle with the turbo system or blow off valve.4.Made of high quality aluminum, light weight and durable.5.Easy to install on the car''s tailpipe.Note: The color of the item may vary slightly due to photography and your own computer.Specifications:Material: Aluminum AlloyColor: BlackSize: XLSuitable Displacement: ��2.4CCFor the exhaust pipe diameter: XL / 56-85MMDimension: 12x7.5x3.5cm/4.72x2.95x1.38inch(LxWxH)Weight: 128gPackage Include:1 x Exhaust Silencer Pipe Whistle Turbo Sound Fake BlowOff Simulator1 x Screws1 x Spanner