Car Turbo- Sound Whistle, Muffler Exhaust, Pipe Auto Accessories. Features: Easy to Install, Beautiful Appearance, Very Fashionable, Low Cost, is the First Choice for Decorative Car.  The Length of the Product is Only the Length of the Whistle, Not the Length of the Fixed Frame Widely Used for All Vehicle Models.  Under the Premise of Suitable Installation Size, Better to Choose a Larger Size.  For Small Output Volume Car, Better to Choose a Large Size, for Large Output Volume Car. Because the Principle of Whistle Sound is to Rely on Air Flow, Large Displacement. The Greater the Whistle, the More Likely to Make a Sound.  Make Your Vehicle Sound Like a Turbo Vehicle with the Turbo System or Blow off Valve Specifications:  Material: Aluminum Alloy  Color: Silver  S Product Size: Approx. .10.3 X 3.1 X 1.9CM;Net Weight: Approx. 70g  M Product Size: Approx. 10 X 3 X 2.4CM ;Net Weight: Approx.80g L Product Size: Approx. 11 X 3 X 2.9CM ;Net Weight:Approx.95g  XL Product Size: Approx. 11.4 X 3.4 X 3.1CM;Net Weight:Approx.125g Placement on Vehicle: Tail Pipes Item Height: 3.4CM Item Length: 11.4CM Material Type: Aluminum Alloy Item Weight: 0.13KG Item Width: 3.1CM . We are an international seller, your order will be shipped from abroad so please allow the necessary time of minimum 14 working days for delivery right now depending on where you ship to, due to ongoing delays in postal deliveries globally.