Description:Universal fitment for most trucks, motorcycles, vehicles, dirt bikes, and scooters.vibrant red color and loud sound to turn heads on the road.made with high-quality lightweight aluminum alloy material for durability.easy installation with invisible feature and compatible with all vehicles.creates a turbocharger-like sound without the high cost.Item Name: Car Turbo WhistleMaterial: Aluminum AlloyCompatible Models: UniversalFeatures: Easy to Install, Sturdy, Anti-rustSize Detail:Red S, L: 10.2cm/4.02", W: 1.8cm/0.71" (Approx.)Red M, L: 10.3cm/4.06", W: 2.3cm/0.91" (Approx.)Red L, L: 11.6cm/4.57", W: 2.7cm/1.06" (Approx.)Red XL, L: 12cm/4.72", W: 3.1cm/1.22" (Approx.)Notes:Due to the light and screen setting difference, the item's color may be slightly different from the pictures.Please allow slight dimension difference due to different manual measurement.Package Includes:1 x Car Turbo Whistle1 x Wrench1 x Screw