Features: Enhance your driving experience with a sporty exhaust sound, adding a distinctive audio element to your vehicle. This device creates a turbo-like exhaust note when installed. Made of high-quality aluminum, lightweight and durable, designed for easy installation on the car's tailpipe with universal fit. Install the sound whistle inside the exhaust muffler with the larger opening facing inward. Constructed from premium aluminum material for durability and corrosion resistance. Easy to install in minutes without special tools. Package Includes: 1 x Turbo Sound Whistle Specifications: Material: Aluminum Size: Approx. 10.7 x 2.5 cm / 4.21 x 0.98 inches Color: Black / Blue / Gold / Red / Silver Note: 1. Please allow 1-2 cm errors due to manual measurement. Ensure you are comfortable with this variance before ordering. 2. Due to differences in monitor displays, the actual color may vary slightly from the image. 3. Confirm your vehicle's exhaust pipe size before purchase. The exhaust pipe diameter must be larger than the product size for proper fitment.