Universal Aluminum Turbo Sound Exhaust Muffler Pipe Whistle Car / Motorcycle Simulator Whistler, Size: S, Outside Diameter: 20mm(Silver)

1. Easy to install.
2. Beautiful, very stylish, low cost, is to decorate the car.
3. Made of light weight aluminum alloy material.
4. Durable and reliable.
5. Specifications (whistle caliber): S inside diameter: 17MM; outside diameter: 20mm; Length: 10cm.