The role of automobile exhaust pipe automobile exhaust pipe on the role of automobile fuselage, play a damping noise reduction, prolong the exhaust noise suppression system life. The main material of the exhaust pipe is stainless steel. For the average car, the exhaust gas leaves the engine under a lot of pressure, and the noise it produces can make people feel crazy. At this time, the main role of muffler is the exhaust pipe of the car, which is installed inside the muffler, greatly reducing the noise of the car.