Published · Updated · By Luxur Automotive
Every car needs a way to carry away the gases combustion produces, and to reduce the harm they do. Two closely related systems share the job. The exhaust system physically carries the gases away. The emissions system cleans them and minimizes what is released into the air.
How it works
- Exhaust manifold. Gathers the exhaust from each cylinder and channels it into a single pipe.
- Catalytic converter. Uses chemical reactions with precious metals to turn carbon monoxide, nitrogen oxides and hydrocarbons into less harmful carbon dioxide, nitrogen and water.
- Muffler. Controls noise, with baffles and chambers that make sound waves cancel one another out.
- Resonator. Refines the sound further.
- Pipes and tailpipe. Carry the gases to the point where they leave the car, away from the passenger area.
- Hangers, gaskets and clamps. Hangers hold the pipes in place; gaskets and clamps join and seal the parts of the system.
- Heat shields. Form a barrier between hot exhaust parts and everything around them.
Two related parts matter too. The oxygen sensor measures unburned oxygen, so the car's computer can adjust the air–fuel ratio. On a diesel, a diesel particulate filter controls soot.
Signs of trouble
It is a good idea to have us check the car periodically. Between checks, watch for:
- Performance. Slower acceleration, higher fuel use or misfires, often with the check engine light on.
- Smells. Fumes, fuel, a burning odor or a rotten-egg smell inside the car. Have the exhaust checked straight away.
- Noise and smoke. More noise than usual, smoke from the tailpipe, or visibly rusty pipes.
Do not wait
Exhaust problems do not go away on their own, and they tend to get worse. That makes the repair more costly, and it can leave you breathing harmful air. We have been the area's dealership alternative for European cars since 2011. We use high-quality replacement parts and back our work with a 12 months / 12,000 miles warranty.
A check engine light is often where it starts. See diagnostics, or book a visit.
