Whistle to the muffler for 3 pcs

A muffler whistle is a great gift for motorists. To play the prank, you need to discreetly put a whistle on the muffler of a car, for example, your friend's car. He, without suspecting anything, approaches the car, starts the engine and suddenly hears an unfamiliar sound. The engine whistles for some reason. What's the matter? Your friend starts looking for a reason. lifts the hood of the car. but there is nothing there. Until he gets to the muffler. the whistle will not disappear. At this time, you can watch him from the side or stand nearby and make fun of him.
Price for 3 pcs