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The exhaust stainless steel has the important job of removing the toxic exhaust fumes produced by the engine from the car. It also functions to enhance engine performance, minimise noise produced when driving and improve fuel efficiency. 

The exhaust system includes the exhaust manifold, which is fixed to the cylinder head and takes the exhaust fumes from the engine's cylinders into the exhaust pipe;  a catalytic converter, which sits between the exhaust manifold and the rear exhaust box, and changes the harmful emissions into water vapour and carbon dioxide; the rear exhaust box which acts as an exhaust silencer; and the exhaust pipe through which the exhaust travels, and the means by which the fumes reach the tail pipe where they finally leave the vehicle.  

The exhaust stainless steel is fixed together by a setup of gaskets, clamps, flanges and hangers.  Stainless steel has a stronger resistance to rust than many metals so is the ideal material for the exhaust system in a vehicle, providing a part that generally lasts longer. But in older exhaust systems, whatever the metal used, corrosion will eventually take its toll.   

Although built to be strong and durable, common issues do occur with the exhaust stainless steel simply due to wear and tear and old age.  Often the main issue with any exhaust system is problems caused by rust. Internal components are subject to moisture created by the process of combustion and rainwater can cause corrosion to the exhaust system over time.  Regular, short journeys can speed up damage to the exhaust stainless steel because the water in the system does not have time to heat up properly which means it does not turn back into water vapour and instead lies in the exhaust pipes which will eventually rust away. The rear exhaust box is also prone to corrosion which can cause cracks and holes and eventually it will stop functioning properly. The exhaust pipe can be subject to damage from pot holes and bumps in the road and rust can cause the exhaust pipe to break and drag on the road. A broken exhaust pipe can be dangerous and should be addressed as soon as possible. Whatever the issue when replacing the exhaust system it is important to make sure you buy components that will be compatible with your car. The exhaust stainless steel is the ideal choice, specifically manufactured for the make and model of your car.