In modern exhaust systems, our cars have been equipped with catalytic converters are used for reducing the levels of CO and NOx. However, not all cars equipped with catalytic converters because its price is expensive. The exhaust system itself must meet various requirements; beside technical requirements that include materials quality and construction, as well as requirements concerning about environment. Voice and quality of flue gas is a necessary condition that must be considered. The work of your car’s engine can be optimized with choosing the right exhaust system of your car in order to reduce a production of harmful gases from combustion.
Generally, many people don’t really understand which one the exhaust is; they only know the form of rod exhaust pipes that jutted into the back of the car. Exhaust system consists of four parts that we can talk about here. First of all, the part which closest to manifold is an exhaust pipe; between the exhaust pipes with mufflers, there are resonators. While the tip of which protrudes into the rear exhaust pipes is called tail pipe which is commonly called by the exhaust for some people. After you understand about the exhaust system, you can do some experiment in changing your old exhaust system with a good one.