Feature:
Made of aluminum alloy material, portable and durable.
Universal fits for all vehicles with the correct size.
Easily installed on the car tailpipe.
Note: This product is only suitable for the installation of vehicles with a straight tail section of the pipe, and the pipe with curvature is not applicable.

Specification:
Material: Aluminum Alloy
Color: Red, Blue
Whistle Muffler Size: XL
Dimension: 120x65mm / 4.72"x2.56" (L*D)
Thread Size: M6x1.0
Screw Size: M4x0.7
Placement on Vehicle: Rear

Note:
Please allow a 1-3 mm difference due to manual measurement.
The car has a large displacement, the sound will be more obvious.

Installation:
Loosen the screw on the sound whistle.
Place the sound whistle body inside the muffler with the larger opening facing the inside of the muffler.
Screw the screws on the sound whistle to tighten the item so it doesn't fall off while driving.
Professional installation is always recommended, products damaged through self installation will not be refunded.

Solve Problem:
①Can not hear any sound at all？
Please check tail throat and whistle for blockage.
②Not working after a period of time?
Please rest the whistle after one hour of use.
③Poor quality, fading?
Use too long, too hot caused.

Package Included:
2 x Whistle Muffler
2 x Wrench
2 x Screw