Adjustable Sound Profile. Unleash the full potential of your vehicle's exhaust system with the Valvetronic Designs Universal Valved Muffler Kit. This kit includes a pair of 3-inch valved mufflers designed to fit a wide range of vehicle models, providing an adjustable solution to control your vehicle's exhaust sound and performance. It features innovative valve technology, allowing you to switch between a quiet, street-friendly exhaust note and an aggressive, sporty roar woth just a push of a button. This flexibility is perfect for drivers who want control over their vehicle's exhaust output, adapting to different driving conditions and personal preferences.How It Works. The Mufflers include a vacuum control box and vacuum line allowing for an easy install. Valvetronic Designs Mufflers install just like any other muffler, but plug in the valves with the supplied vacuum tubing and BOOM! You can now control your car's sound on the fly.Warranty. Valvetronic Designs Universal Valved Muffler Kits come with a 1 year warranty. Application. This Valvetronic Designs Universal Valved Muffler Kit; 3-Inch; Pair features a universal design and will fit most makes and models, some adaptation may be required.Please note that exhaust tips are not included - optional tips are sold separately.