Features: New design and high quality Make your car sound furious, turn your car into the king of the road, fashionable and unique, improving your driving interest. After you install this product, the pressure blowing out of your car exhaust pipe sounds like a turbo vehicle. Made of high quality aluminum, light and durable, easy to install on the car exhaust pipe, universal fit. Place the turbo sound whistle body inside the exhaust muffler with the larger opening facing the inside of the muffler. Made of the highest quality aluminum, lightweight and durable. Easy to install on the car's exhaust pipe. This whistle can be installed in short minutes. Package includes: 1x Turbo Sound Whistle Specifications: Material: Aluminum Size: About 10.7 x 2.5cm or 4.21 x 0.98inch Color: Black or Blue or Gold or Red or Silver note: 1. Allow 1-2cm error due to manual measurement, please make sure you don't mind before ordering. 2. Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3 .Please confirm the size of the exhaust pipe before purchasing. The exhaust pipe size must be larger than the product size before it can be used.