Reduce deep note sound for a quieter and more pleasant environment. Adjustable & Removable design allows for customization and easy maintenance. Easy installation process ensures a hassle-free setup without the need for professional help. This product is designed to enhance your experience by minimizing unwanted deep note sounds, making it ideal for settings. Its adjustable and removable features provide flexibility, allowing you to tailor it to your specific needs. The straightforward installation process means you can quickly set it up and enjoy the benefits without any complicated procedures. Perfect for those looking to improve their sound environment effortlessly. Color: As Shown Material: Stainless Steel Package Contents: 1* 4.5 '' Adjustable Exhaust pipe muffler Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.