What Causes the Dripping Sound from a Car's Exhaust Pipe?

[SanLukas]

There are several reasons why water drips from a car's exhaust pipe: 1. After gasoline is completely burned, it forms water and carbon dioxide. Water produces steam at high temperatures, which is colorless and transparent when hot. However, when the temperature drops below 100 degrees, the steam condenses into water. 2. When the ambient temperature is low, the white smoke emitted from the exhaust pipe is water vapor. As the water vapor condenses, droplets accumulate and eventually turn into water. Below are some maintenance tips for a car's exhaust pipe: 1. Prevent muffler corrosion: Avoid water entering the muffler during car washes or when driving in the rain. 2. Prevent muffler discoloration: Clean any oil stains on the muffler's surface promptly to avoid affecting its heat dissipation.