| A Car is made up of many different parts and | | | | the back pressure which is inherent in an exhaust |
| systems that work together to make it run efficiently. | | | | system. With a dual exhaust system, a sizable |
| The exhaust system is integral to a car's performance | | | | increase in engine horsepower can be obtained |
| and efficiency, but is often neglected. | | | | because the "breathing" capacity of the engine is |
| The exhaust system has and number of uses. It | | | | improved, leaving less exhaust gases in the engine at |
| carries harmful exhaust fumes away from the engine | | | | the end of each exhaust stroke. This, in turn, leaves |
| as well as being important in ensuring good fuel | | | | more room for an extra intake of the air-fuel mixture. |
| consumption. It is also crucial to smooth and | | | | Emission Control System |
| satisfactory driving. | | | | This type of system works how the name suggests, |
| How does a healthy Exhaust System affect your car, | | | | by regulating the emmission of harmful gases expelled |
| truck, van or SUV's performance? | | | | from the engine. They don't all do this the same way. |
| There are a few different components that make up | | | | Some systems stop pollutants being formed in the |
| a complete exhaust system and they all have an | | | | engine itself, while other systems convert harmful |
| important and distinct function. The main parts are the | | | | gases into harmless ones with a catalytic converter. |
| muffler, manifold, exhaust pipes and catalytic converter. | | | | Parts of an Exhaust System |
| There are many harmful fumes and gases that are | | | | 1. The Exhaust Manifold - This part is made of cast |
| left over from the combustion of the the fuel and air | | | | iron and is connected directly to the engine. It is |
| mix when the engine is running. Some of thes gases | | | | designed to carry the gases from the combustion |
| include carbon dioxide, carbon monoxide, hydrocarbons | | | | chambers to the exhaust pipes. |
| (unburned), sulfur dioxide, lead and nitrogen oxides. A | | | | 2. Catalytic converter - this is where the gaseous |
| healthy exhaust system channels these fumes away | | | | wastes are turned into water vapor and carbon |
| from the engine. | | | | dioxide. |
| Those gases are harmful to the environment and to | | | | 3. The Muffler - This component main task is to 'muffle' |
| us humans so they must be cleaned before they are | | | | the sound that the engine exhaust make while it is |
| sent out of the vehicle. With this essential task of the | | | | running. It does this by soaking up the sound energy of |
| exhaust system, it becomes necessary for us to | | | | the gases that travel through it. |
| check it regularly for damages or corrosion that could | | | | 4. Exhaust Pipe - this part carries the gaseous waste |
| adversely affect its proper functioning. | | | | out of the tail pipe. It is usually made of steel or |
| Exhaust system fall into two categories. These | | | | stainless steel. |
| categories are the Dual or Twin Exhaust System or | | | | You should not delay the replacement of damaged |
| the Emission Control System. | | | | exhaust system parts so that you avoid serious |
| Dual Exhaust System | | | | accidents and unwanted expenses. A clogged and |
| Dual exhaust system has two tailpipes, which allows | | | | glowing catalytic converter indicates serious problem |
| the engine to exhaust more freely, thereby lowering | | | | so don't delay replacing it. |