| Make | Compare and save* | You save on average* | Ratings | |
|---|---|---|---|---|
| BMW | £96 | 32% |
5.0
(2)
2
0
0
0
0
Read the reviews
|
|
| Citroën | £253 | 21% |
5.0
(1)
1
0
0
0
0
Read the reviews
|
|
| Fiat | £355 | 23% |
5.0
(1)
1
0
0
0
0
Read the reviews
|
|
| Ford | £93 | 18% |
4.1
(8)
5
1
0
2
0
Read the reviews
|
|
| Mitsubishi | £60 | 30% |
(0)
|
|
| Nissan | £89 | 9% |
5.0
(3)
3
0
0
0
0
Read the reviews
|
|
| Peugeot | £251 | 23% |
4.0
(2)
1
0
1
0
0
Read the reviews
|
|
| Renault | £170 | 22% |
5.0
(1)
1
0
0
0
0
Read the reviews
|
|
| Vauxhall | £193 | 22% |
5.0
(5)
5
0
0
0
0
Read the reviews
|
|
| Volkswagen | £191 | 22% |
4.8
(4)
3
1
0
0
0
Read the reviews
|
|
| Make | Save on average* | |||
|
BMW
5.0
(2)
2
0
0
0
0
Read the reviews
|
£96 / 32% | |||
|
Citroën
5.0
(1)
1
0
0
0
0
Read the reviews
|
£253 / 21% | |||
|
Fiat
5.0
(1)
1
0
0
0
0
Read the reviews
|
£355 / 23% | |||
|
Ford
4.1
(8)
5
1
0
2
0
Read the reviews
|
£93 / 18% | |||
|
Mitsubishi
(0)
|
£60 / 30% | |||
|
Nissan
5.0
(3)
3
0
0
0
0
Read the reviews
|
£89 / 9% | |||
|
Peugeot
4.0
(2)
1
0
1
0
0
Read the reviews
|
£251 / 23% | |||
|
Renault
5.0
(1)
1
0
0
0
0
Read the reviews
|
£170 / 22% | |||
|
Vauxhall
5.0
(5)
5
0
0
0
0
Read the reviews
|
£193 / 22% | |||
|
Volkswagen
4.8
(4)
3
1
0
0
0
Read the reviews
|
£191 / 22% |
It is compulsory to have a car equipped with an exhaust system in perfect condition, so it is important to have it checked. To do this, make sure you make an appointment with a professional. The role of the exhaust system is to direct the gases generated by engine combustion to the outside of the vehicle. In addition, it reduces noise, as well as the rate of pollution.
The exhaust manifold will, as its name suggests, collect the gases generated by the combustion of the engine and send them to the particulate filter. The role of this filter is to collect the harmful particles in the gases and eliminate them to the highest extend possible, in order to reduce the effect on the environment. Then, the gases are sent to the catalytic converter which will, thanks to a chemical reaction, reduce the toxicity of the exhaust gases.
At the level of the catalytic converter are the lambda probes, whose role is to check that the converter works properly. On some models, there is only one probe, but you can also find 3 or 4 depending on the car model. Before being released into the air, the gases pass through the muffler, which reduces the noise generated by the exhaust system. The gas is then discharged to the outside.
These gases are mainly composed of CO2, however they also contain nitrogen oxides and carbon monoxide.
If your car starts making loud noises when you start it, it's time to replace the exhaust. There is no question about this when you hear the deep rumble of free engine noise. Besides the fact that you bother everyone around you, you also add a high degree of pollution to the environment.
The exhaust system starts at the engine where there is an exhaust manifold directing exhaust fumes from the various cylinders into the exhaust pipe.
The exhaust pipe goes from the manifold down and under the car. The exhaust system is divided into a number of components that may be changed individually if need be. The catalytic converter sits between the manifold and the muffler, usually at the beginning. The muffler sits out the back, just prior the last bit of exhaust pipe.
The muffler’s purpose is to lower the sound of engine noise before the cleaned exhaust gases escape into the open air.
You can temporarily fix the exhaust with Gun Gum. There are several manufacturers of the product that use either a lubricating paste to rub in the corners, or cloth-like pieces (called repair bandage) to wrap around the pipe and rub paste only. Then the Gun Gum paste solidifies and becomes hard. It can easily last for quite a long time, and is a cheap temporary solution if you can do it yourself. Sort of like a plaster cast for your exhaust.
The permanent solution is obviously better, and last longer. The exhaust is thankfully one of the parts of your vehicle that can be patched up quite easily.
You can weld on a new piece, replace parts of it such as the exhaust pipe, muffler and tail-pipe when they become faulty, rather than replacing the entire system. The only thing you cannot repair is the catalytic converter which can only be replaced if it is defective.
There are many garages that has the equipment to weld exhausts, either by mounting an additional piece, new parts or a patch. You just have to be aware if it is worth it in the long run, as the entire exhaust system tends to be corroded evenly, so patching it together over and over again may be more expensive than replacing the whole thing.
At autobutler.co.uk you can contact your mechanic and book a repair or replacement for your exhaust system, you can also send documents and pictures so that your chosen garage can assess the extent of the job and quote you accurately.
Often the centre section, muffler and backbox are assembled in one piece.
If you want to give your car a more sporty look, you can fit a new back box, which comes in many different shapes and sizes to satisfy the flashiest of petrol heads.
The catalytic converter is usually the first part of the exhaust system, so as to clean the exhaust fumes as soon as possible. The converter receives the toxic exhaust gases, and filters them so that the remaining exhaust gases is relatively harmless to the environment, atmosphere, animals and humans.
If there are holes in the exhaust pipe after the catalytic converter, it is just going to be an annoying noise. The risk of toxic fumes inside the car is reduced, but it will still be uncomfortable and possibly harmful. Exhaust gases are not dangerous, there are still rules for venting garages, but with the introduction of the catalytic converter the vehicle pollution is significantly reduced.
MOT regulations for the exhaust is not that strict. The exhaust system may be patched and repaired in any way possible, and you may have created your own exhaust pipe, muffler, etc..
You may also have retrofitted exhaust system with less resistance, so the engine can perform its maximum.
The following requirements must be met:
Looking after you car’s exhaust system improves fuel efficiency and the safety of you and your passengers. The exhaust of a Volkswagen, Vauxhall, Nissan and Ford is responsible for transporting harmful gasses from the engine; avoiding the cabin of the car. The muffler is another important part of the car’s exhaust system as it reduces the noise your car emits. Rust, holes and loose fittings can cause your exhaust or muffler to be less effective, putting you at risk and increasing the noise of your engine. Check for the best exhaust servicing prices for your Peugeot, Renault, Kia, or BMW.
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