This device attaches to the exhaust pipe of cars and motorcycles, transforming the sound into a turbo sound, a turbo whistle. It's enjoyable to listen to. The volume may vary depending on the vehicle model. New, unused. Color: Blue. Available in all colors: Red, Blue, Gold, Silver, and Black. Please refrain from purchasing if you are overly concerned about storage conditions, as this item is stored at home. 13090