Exhausts in Glasgow
The exhaust system is constantly in use whilst driving and at times, will reach temperatures of over 1000 degrees centigrade. This makes it one of the hardest working components on a vehicle.
The exhaust has to perform a multitude of tasks, silencing noise, preventing gas leakage into the passenger compartment and contributing to maximum engine power with minimum fuel consumption.
Exhausts corrode from the outside in and from the inside out. External corrosion is worsened by weather conditions particularly when salt is spread on the roads in winter. Internally, acids produced during the combustion process normally pass through the exhaust system as gas, but on short journeys exhaust system temperatures are lower allowing the gas to condense on the inside walls, forming a very acidic liquid which attacks the insides of the exhaust system.