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Facts About Car Mufflers
The primary function of car mufflers is to decrease the sound waves coming from the engine and prevent the production of loud noise as a result of combustion in the engine pistons. Without this device, hitting the road will be very distracting!
Also known as “silencer,” a car muffler is a special automotive component designed to attenuate or minimize the noise level emitted by the engine of your car. It is usually installed as part of the exhaust sytem along the exhaust pipe.
If you look closely at this device, it looks pretty simple. You will just find a set of tubes with holes in it. But don’t underestimate the simple design of a muffler for it has a very important purpose. These auto muffler tubes, either made from sound absorbing or reflecting materials, are technically designed to absorb or reflect the sound waves from the engine. There are two primary techniques used by car mufflers to reduce noise pollution. One is absorption, the other is reflection.
Absorber Mufflers
This type of car muffler is commonly installed in sports vechicle or racing car. It is said to increase the engine performance because of its low back pressure feature. In this muffler, the tube made from sound absorbing materials such as fiberglass or steel wool absorbs the sound waves. The simple design of this muffler is worthy of note for its low back pressure.
Reflector Mufflers
Reflector mufflers are more popular than auto mufflers using the absorption technique. Such mufflers dampen the noise better than absorbers. The only drawback is that they induce a higher back pressure which translates to lower engine performance.
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