The exhaust, it is not just a simple tube located at the back of the car intended to evacuate the gases coming from the engine. Because in reality, what is called the exhaust line consists of several parts, such as the manifold, connected to each of the cylinders, the catalytic converter on certain models, making it possible to limit polluting emissions as well as the silencers. These are located at several points in the line, in order to reduce the temperature and speed of the gases, as well as noise. As you will have understood, an exhaust system is therefore used to limit as much as possible the production of polluting gases, but also the sound, so as not to create nuisances when the vehicle passes. However, many motorists, and in particular tuning enthusiasts, modify this device, precisely so that their car is more expressive on the road, and more particularly when accelerating, in general. But is it really allowed? Auto-Moto has covered the issue and explains what the regulations say.
Unfortunately, and as you might expect, you can’t do everything you want with your exhaust. Indeed, article R318-3 of the Highway Code details the rules in force, and stipulates that ” motor vehicles must not emit noises likely to cause discomfort to road users or residents. The engine must be fitted with a silent exhaust system in good working order without the possibility of interruption by the driver ”. To the chagrin of fans of backfiring exhausts, the law emphasizes that “ any operation … Read more on Auto moto: auto and motorcycle magazine