Car Sound Muffler Exhaust Pipe Blow Vale BOV Simulator Whistle Stylish Size MCelsiusXL

Make your car sound like a vehicle with the system or blow off valve. Easy to install, no welding or drilling needed. Wrench and black screw is used to fix the item. This whistle will make your car sound like a vehicle with the system or blow off valve. It's easy to install, no welding or drilling needed. Features: Make your car sound like a vehicle with the system or blow off valve. Easy to install, no welding or drilling needed. Wrench and black screw is used to fix the item. Lightweight and practical to use. Specifications: Material: aluminium alloy Size: M, XL (optional) Color: red, blue, black, silver, gold (optional) Item size:

M: length: 100mm Celsius 3.9in, OD: 23mm Celsius 0.9, ID: 21mm Celsius 0.8

XL: length: 115mm Celsius 4.5in, OD: 35mm Celsius 1.4in, ID: 31mm Celsius 1.2in Item weight:

M: 60g Celsius 2.1ounce

XL: 100g Celsius 3.5ounce Package size: 130 * 50 * 50mm Celsius 5.1 * 2.0 * 2.0in Package weight:

M: 75g Celsius 2.6ounce

XL: 120g Celsius 4.2ounce Installation: 1. Loosen the screw on the sound whistle. 2. Place the sound whistle body inside the exhaust muffler with the larger opening facing the inside of the muffler. 3. Screw the screws on the sound whistle to tighten the item so it doesn't fall off while driving. 4. Professional installation is always recommended. Package Includes: 1 x Whistle