29 November 2009 | |
admin
If you are familiar with how an engine works then you will know that a key part is getting rid of the exhaust gases quickly and efficiently. This is because till the exhaust gases have not entirely left the combustion cylinder, the next lot of fuel cannot be injected into it. The next lot of fuel therefore must push out the remaining exhaust gases. This resistance that the fuel air mixture faces as it enters the combustion cylinder is the back pressure.
The more the back pressure, the more is the energy required to overcome it and therefore the less is the energy available to drive the car. Now the exhaust gases would leave quickly but they can’t just be ejected straight out of the combustion cylinder. They have to be carried till where the designated place for the exhaust pipe is, they have to be treated in a catalytic converter and the noise they make on expanding suddenly has to be muffled.
Performance headers help carry the gases efficiently till the catalytic converter. Beyond that a cat-back exhaust does the remaining work more efficiently than the system in a stock car. It has a larger diameter pipe to carry the gases faster. The bends that are necessary to reach the gases to the exhaust point are specially designed so that the gases flow through the bends without increasing the back pressure. It also has a more efficient silencer. A silencer is a part where the gases are allowed to expand slowly so that they do now make a loud noise.
In cat-back exhaust this slow expansion is achieved without requiring the gases to change their direction of flow. For example in a glasspack packed fiberglass surrounds the exhaust gases and absorbs the some of the sound. This is a simple and inexpensive technology, there are more sophisticated and expensive technologies on offer as well.
If you are also conscious of the looks of your car and have installed products such as car body kits then a custom exhaust pipe tip adds a nice touch to the looks of your car. You can know more about car aftermarket products at www.ilovebodykits.com.
Louie Liu has been in the car aftermarket products industry for 5years. He has specialized in body kits, headlights, cold air intakes and other aftermarket products. He has deep knowledge of a wide range of products including knowledge of benefits of body kits and other products, product options and how to choose a car aftermarket product. You can learn about a wide range of body kits and other car aftermarket products at his site www.ilovebodykits.com.
21 November 2009 | |
admin
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.
Louie Liu has been in the car aftermarket products industry for 5years. He has specialized in body kits, headlights, cold air intakes and other aftermarket products. He has deep knowledge of a wide range of products including knowledge of benefits of body kits and other products, product options and how to choose a car aftermarket product. You can learn about a wide range of body kits and other car aftermarket products at his site www.ilovebodykits.com.
21 November 2009 | |
admin
If you want to improve car performance there are several car after market products that help you do that. There are many options you will need to evaluate before you can make a confident choice.
Some like a cold air intake do it by improving combustion other such as some components of body kits do so by improving the aerodynamics. Some do it by reducing the car weight such as a carbon fiber hood. Some even do it by reducing component weight such as light engine pulleys.
Amongst all these products there is one product that improves engine performance in an elegant manner. That is a cat-back exhaust. Why is it elegant? Because in improving the cars performance it doesn?t stress the engine more. Rather it reduces the stress on the engine.
To understand how a cat-back exhaust improves engine performance you must understand in simple terms how an engine generates power. An engine is where fuel is mixed with air and then compressed.
21 November 2009 | |
admin
There are several products available to improve the performance of your car. When you set out to spend money on improving the performance of your car you will have to evaluate each one of these and choose which product gives you best value. That can take some effort but without doing it you will never be quite sure you spent your money well.
But if you do take the time and read up you will be quickly able to understand how each product improves the performance of your car and make an informed decision. Some products are more popular and you may have heard about them. Others are not so popular and you will need to inform yourself about them.
One option is a cat-back exhaust. The cat-back refers to the fact that this product fits after the catalytic converter. The product is the final piece through which the exhaust gases travel before exiting your car.
Allowing exhaust gases to leave quickly is important so that the engine can take in the next lot of fuel and air mixture to burn. The slower the exhaust gases leave the engine the longer it will take to burn the next lot of fuel and the lower will be the power generated by the engine.
A cat-back exhaust pipe has a larger diameter than the stock pipe. This makes it easier for the exhaust gases to leave, which in turn reduces back pressure and improves engine performance. That is not all. The turns in the pipe are also specially designed so that the turn does not cause back pressure to build up. Therefore in more ways than one the cat-back exhaust helps exhaust gases leave more quickly.
Cat-back exhaust also have an exhaust tip which is a visible piece and can be used to make a style statement. If you have added products such as designer body kits you will be keen to add to the stylishness of the car. Therefore you may prefer a fancy tip to your cat-back exhaust. You will have several creative options to choose from. You can know more about cat-back exhausts and other car aftermarket products at www.ilovebodykits.com
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Louie Liu has been in the car aftermarket products industry for 5years. He has specialized in body kits, headlights, cold air intakes and other aftermarket products. He has deep knowledge of a wide range of products including knowledge of benefits of body kits and other products, product options and how to choose a car aftermarket product. You can learn about a wide range of body kits and other car aftermarket products at his site www.ilovebodykits.com.
18 November 2009 | |
admin
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16 November 2009 | |
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15 November 2009 | |
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10 November 2009 | |
admin
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