Tuesday, December 3, 2013
The Advantages of Having a Car Muffler
You could drive your car without a muffler and it would still operate. However, the noise level would be damaging to your ears and create noise pollution for other car drivers on the road with you. Adding a muffler has several advantages: noise reduction, better engine efficiency and reduced engine heat.
Noise Reduction
Noise is considered a type of pollution and there are laws against it. Your automobile produces noise when the engine is cranked and running, but your muffler serves to reduce the noise of your cars motor. Some mufflers eliminate the noise altogether, others reduce the sound it makes considerably. Therefore, a major advantage of having a muffler is noise reduction, as well as the prevention of getting a ticket for having a noisy car. In addition, your hearing--and that of other drivers--is not damaged by the loud sounds that would be heard on the roadways if automobiles did not have some type of muffler.
Engine Efficiency
Your car uses less gas and experiences less mechanical problems when it runs efficiently. As it burns gas, your vehicle engine must get rid of exhaust gases. One way it does this is through the use of a muffler system. Typically the muffler system is made up of metal chambers and baffles, and your vehicle uses these to redirect or slow air flow from your engine. However, this muffler system process can cause pressure on your engine too. This is known as back pressure and reduces engine efficiency. Back pressure occurs when exhaust gases are redirected back to the engine, which then must use energy to force the gases out of the vehicle again.
But some mufflers, such as the glass fiber-filled muffler, can increase engine efficiency by eliminating this potential back pressure. These mufflers allow your engine to focus on moving your car forward instead of trying to remove exhaust gases at the same time.
Considerations
The muffler type favored in North America--built with metal chambers and baffles--offers you a longer-lasting product compared to the glass and wool fiber-filled mufflers typically used in Japan and Europe. However, fiber-filled mufflers, especially glass ones, reduce engine noise more and offer better engine heat reduction as well, according to research reported on the Ohio State University website.
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