Size:XL Specification: 1.After installed this product, the pressure blowing out of your exhaust will make your vehicle sounds like a turbo vehicle with blow off valve or the turbo system. 2.Made of aluminum, durable and Light weight.Car Turbo Whistle Made of light weight aluminum CNC Machined from 6061 T-6 Aluminum, durable 3.Easy to install on the cars tailpipe. 4.Universal fitment for all vehicles models Material:Aluminum Alloy Color:Black Size:XL-2PCS Suitable Displacement: 2.0-2.4CC For the exhaust pipe diameter: L / 44-55MM / 1.73-2.16inch Dimension:115 x 28.19 x 28.19mm/4.53 x 1.11 x 1.11inch Weight:102g Note: Universal Fits for all vehicle, Do not fit piping inlet which is more than 2.5inch,not accepts for extremely curved tail pipes. Pls Note: Pls measure the diameter of the exhaust pipe before purchase to make sure the size fitting. Package Content: Exhaust Silencer Pipe Whistle Turbo Sound Fake BlowOff Simulator