Turbo Sound Muffler. Specifications: Mounting Position: Rear Manufacturer Part Number: Other Material Type: Aluminum Alloy Interchange Part Number: Turbo Whistle Special Features: Turbo Whistle Type: Impedance Compound Muffler Other Part Number: Universal Color: Red,black,gold,silver Pattern: Car Device Turbo Use For: Car Exhaust Pipe Sounder Size: 1.9cm,2.5cm Material: Aluminum Alloy Description: Item Type: Turbo Whistle Applicable: Car Color: Red/Blue/Black/Gold/Silver Whistle Caliber: S 1.9cm, M 2.5cm 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 --2 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. . We are an international seller, your order will be shipped from abroad so please allow the necessary time of minimum 14 working days for delivery right now depending on where you ship to, due to ongoing delays in postal deliveries globally.