
Controlling Noise and Air Pollution

Because both the mufflers and the exhausts handle the post-combustion gases from the internal combustion engine, they are closely similar in functionality. The mufflers are largely designed to reduced the sound of the exhaust system, while the exhausts accomplishes the actual cleaning of the gases for a cleaner emission.
Your car’s exhaust system consists of pipes and other components. Exhaust gas is pushed out of the combustion chamber by the engine and into the atmosphere. The combustion process is a very noisy affair,