Size: 11*3.2cm / 4.29"*1.25" Colors: Red/Blue/Black/Silver/Gold 1. Roaring engine, breathtaking sound: Car Modified Turbine Whistle, Exhaust Pipe Sounder can instantly enhance the sound of your beloved car, making your engine sound more powerful and breathtaking. 2. Rich sound, transform old cars into new: For owners of old cars, many hope to improve their performance and sound. Using Car Modified Turbine Whistle, Exhaust Pipe Sounder can instantly rejuvenate your car. 3. Add personality and style: If you want your car to have more personality and charming style, don't miss Car Modified Turbine Whistle, Exhaust Pipe Sounder. This small modification will make your car emit a unique charm. 4. Better driving experience: Car Modified Turbine Whistle, Exhaust Pipe Sounder can improve your car's performance, making your driving experience smoother, more comfortable, and more enjoyable. 5. High-quality materials, long service life: Car Modified Turbine Whistle, Exhaust Pipe Sounder uses high-quality materials, and long-lasting, without worrying about the service life, allowing you to enjoy longer driving pleasure. Package includes: 1 L-sized item.