Features: Make your car sound like furious, turn your car into king of the road, fashionable and unique, improving your driving interest. After installing this product, the pressure blowing out of your cars exhaust sounds like a turbo vehicle. Made of high-quality aluminum, lightweight and durable, easy to install on the cars tailpipe, universal fit. Place the turbo sound whistle body inside the exhaust muffler with the larger opening facing the inside of the muffler. Made of premium quality aluminum, light weight and durable. Easy to install on the cars tailpipe. This whistle can be installed under short minutes. Package Includes: 1x Turbo Sound Whistle Specifications: Material:Aluminum Size:Approx.10.7x 2.5cm/ 4.21x0.98inches Color:Black/Blue/Gold/Red/Silver note: 1.Please allow 1-2cm errors due to manual measurement, make sure that you do not mind before you order. 2.Due to the difference between different monitors, the picture may not reflect the actual color of the item. 3.Confirm the size of the exhaust pipe before purchasing. The size of the exhaust pipe must be larger than the product size before it can be used. Our products are made with the splendid quality materials and are designed to provide you with the best possible user experience.