Other Part Number:Universal Interchange Part Number:Turbo Whistle Country/Region of Car Manufacture:China Type:Impedance Compound Muffler Mounting Position:Front Material Type:Aluminum alloy Origin:Mainland China OEM NO.:/ Certification:none pattern 1:exhaust sound boost pattern 2:Exhaust pipe pattern 3:Nozzle for muffler pattern 4:turbo sound pattern 5:Car exhaust pattern 6:active sound exhaust pattern 7:muffler pattern 8:exhaust systems pattern 9:Car exhaust sound pattern 10:exhaust muffler High Quality Material - High quality aluminum alloy makes this device more durable and long time service. Creative Car Decoration - With the motorcycle sound on your car, much attractive and interesting. Easy to Install - Easy to install, no need any complex process. Installation: 1. Loosen the screw on the turbo sound whistle. 2. Insert the turbo sound whistle body inside the exhaust muffler. 3. Screw the screws on the turbo sound whistle to tighten the item. Item type: Turbo Whistle Applicable: Car Color: Red/Blue/Black/Gold/Silver Whistle Caliber: S 1.8cm, M 2.35cm L 2.75 Weight: 68g Applicable models: Universal Material: Aluminum alloy Packing: OPP bag Package includes: 1 * Turbo Whistle 1 * Wrench 1 * Screw Features: --Easy Installation --High Quality --3 Sizes for choice Note: The size is different, the sound is different. The bigger the number, the greater the sound. Please contact us first when you have any problem, we will give you the best service and solve the problem ASAP. Thank you so much.