A cat-back exhaust gives a sound performance

Published: 09th April 2009
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If you have noticed a high performance car drive by with a deep throaty sound it maybe because it had a cat-back exhaust installed. Though the aesthetic appeal of a car is largely in its visual attributes, being a performance based equipment the sound it makes is also an important part of its appeal.

However the change in the sound is not the direct function of a cat-back exhaust. The change in the sound the car makes is more of a side effect. The function of a cat-back exhaust is to help exhaust gases from the engine exit faster. Why is that important? This is important because the sooner the gases leave the engine the sooner the air fuel mixture for the next engine cycle can enter the engine. If the exhaust gases are slow to leave they create what is called a back pressure. The fuel air mixture for the next engine cycle has to overcome this back pressure to enter the engine combustion cylinder. However if with the help of a cat-back exhaust the back pressure is reduced the air fuel mixture can rush in faster leading to an improved engine performance.

A cat-back exhaust is called a cat-back exhaust because it is located after the catalytic converter. It is made up of pipes and a muffler. These pipes are of larger diameter and have special bends so that the back pressure is minimized. The function of the muffler is to absorb the sound that the exhaust gases would make. The final vent from where the exhaust gases enter the atmosphere is a visible part of the cat-back exhaust and is often stylized to add to the aesthetics of the car.

Cat-back exhausts are available at online car after market product stores. You can know more about them at www.ilovebodykits.com. These online stores will also usually offer other products such as projector headlights and body kits.

You will be able to find cat-back exhausts for all popular car models. They give your car a great sound and a small improvement in its performance.

Louie Liu has been in the car aftermarket products industry for 5 years. He has specialized in body kits, headlights, cold air intakes and other aftermarket products. You can learn about a wide range ofCat-back exhaust and Catback exhaust at his site www.ilovebodykits.com.

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