• Suitable for all types of general-purpose fittings, easy to install on all tailpipes.
• Make your vehicle sound like a turbo vehicle with the turbo system or blow off valve.
• CNC machining, lightweight and durable, made of high-quality aluminum.No welding, wiring or drilling required.
• In general:
  S size is suitable for the displacement of 1.0-1.6, the caliber of the exhaust pipe is 32-43 mm.
  M size is suitable for the displacement of 1.6-2.0, the caliber of the exhaust pipe is 37-48 mm.
  L size is suitable for the displacement of 2.0-2.4, the diameter of the exhaust pipe is 44-55 mm.
  XL size is suitable for displacements above 2.4, and the diameter of the exhaust pipe is 56-85 mm.
• For small-displacement cars, choose a larger one, and a larger one, you can choose a smaller one, because the principle of whistle sounds is based on airflow. For larger displacement, the bigger the whistle, the easier it is to make a sound.
  
• You can choose 4 sizes to make your life more fun.

Specifications:

• Color: Silver, Black, Red, Blue, Yellow.
• Material: High-quality aluminum alloy.
• Size: S, M, L, XL

Packing Includes:   

• 1 x Car Turbine Whistle(Color random).

Please Note:

• Due to the different monitor and light effects, the actual color of the item might be slightly different from the color showed on the pictures.
• The size of the sound is different with different specifications. The larger the number, the louder the sound. It is best to confirm the inner diameter of the exhaust port before purchasing it. If the whistle diameter plus 1CM is greater than or equal to the inner diameter of the exhaust pipe, it will not be installed.