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How do Exhausts Work
The purpose of the exhaust/emission system is to deaden the sound made by the internal combustion engine, reduce the temperature of the exhaust, and control the emissions that come out of your vehicle. Vehicles create harmful gases during the combustion of fuel. The catalytic converter in the exhaust system turns these gases into mostly harmless ones that do much less damage to the environment.
Harmful Gases that Exhausts Systems Control
The exhaust manifold conducts gases from the combustion chambers of the engine to the exhaust pipe. It is usually constructed of cast iron and smooth curves to improve the flow of exhaust.
The catalytic converter reduces harmful emissions from engine exhaust. It uses a combination of heat and metals that act as catalysts. A catalyst is a metal (or chemical) that causes other chemicals to go through a reaction without being affected itself. The inside of the catalytic converter consists of metals like aluminium oxide, platinum palladium. These metals cause the carbon monoxide and hydrocarbons to react and produce water vapour and carbon dioxide which are much less harmful to the atmosphere.
The silencer alone cannot always quiet all the engine noise. Many exhaust systems also include a resonator which is like a mini silencer. They are usually straight pipes filled with sound muffling materials. The resonator can be either before or after the silencer in the exhaust system
The tail pipe comes out of the muffler, past the rear bumper of the vehicle, directing exhaust gases away from the vehicle. On many newer cars, it also serves as a decorative function and is tipped in chrome.
We can diagnose, repair, source spares and have access to a wide range of exhausts available at short notice so we can keep you on the road. If you have concerns about your exhaust system we will be happy to inspect it for free.