Universal Aluminum Turbo Sound Exhaust Muffler Pipe Whistle Car / Motorcycle Simulator Whistler, Size: L, Outside Diameter: 30mm, Size: L (Blue), Size: L (Red), Size: L (Silver), Size: L (Black), Size: L (Gold)

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): L inside diameter: 27MM; outside diameter: 30mm; Length: 11cm.