Tips Sahabat

The Function of Car Exhaust Resonator and Its Difference with Catalytic Converter

09 April 2025
Fungsi Resonator Knalpot Mobil dan Bedanya dengan Katalis

Talking about the car emission disposal system, it cannot be separated from the components within it. These components will optimize the emission disposal system, impacting the car's performance, fuel efficiency, and environmental friendliness. However, among all these components, there is one of the most important components that can enhance driving comfort, namely the car exhaust resonator. So what is the actual function of this component? For more details, please pay attention to the following discussion.

Function of the Car Exhaust Resonator

The exhaust resonator can be said to be a special exhaust component designed to change the character of the exhaust sound. The component has a fairly simple shape, namely a cylindrical tube connected to the main exhaust pipe. Although its shape is simple, this component has many functions as follows.

1. Reducing noise

The exhaust resonator in cars has a primary function, which is to reduce noise from the engine when emitting exhaust gases. By utilizing a resonance mechanism, the exhaust resonator can effectively dampen sound so that the ears of the driver and passengers are not disturbed when the exhaust gases are released.

2. Improving engine performance

The next function is that the exhaust resonator can improve car engine performance to its maximum. By controlling the flow of exhaust gases, this component can enhance the quality of the engine's combustion process. 

As is known, the power from the engine's combustion has very strong pressure. However, because the exhaust does not have a filter in the exhaust gas channel, the thrust produced is less strong. To make that thrust strong, the installation of a resonator is needed to convert the pressure from the exhaust gas channel into power. Thus, fuel efficiency and improved engine performance can be realized.

3. Dampening vibrations

The engine that works when the car is moving certainly generates vibrations that can disturb driving comfort. To reduce those excessive vibrations, an exhaust resonator is needed. 

Difference Between Resonator and Catalytic Converter

After you know the functions of the exhaust resonator in cars, next, you need to understand the difference between this component and other exhaust components, such as the catalytic converter. 

As is known, the catalytic converter has a function that is almost the same as the exhaust resonator in terms of sound dampening. However, when you intend to enhance one of the impacts of the three positive effects of the car emission disposal system, you need to understand the differences between these two components so that you can make the right choice. The differences are as follows.

1. Functionality

The first difference lies in their functionality. In terms of function, the exhaust resonator is superior in terms of sound dampening and improving car engine performance. This component can reduce the noise generated by the process of emitting exhaust gases from the engine to the exhaust channel. 

In addition, the resonator can enhance thrust to improve engine performance by utilizing the pressure generated during the engine's combustion process. Meanwhile, the catalytic converter is more superior in terms of environmental friendliness. This is because the catalytic converter functions to filter exhaust gases so that the level of pollutants produced does not contaminate the air (in accordance with Euro 2). 

Read Also:  This is the Effect of a Car Exhaust Without a Resonator That Needs Attention

2. Layout

The second difference between the exhaust resonator and the catalytic converter can be seen in terms of component layout. The exhaust resonator is usually installed in front of the catalytic converter, precisely in the area around the header. However, there are also those installed at the back of the catalytic converter or in the muffler area. 

Thus, a complete review of the function of the resonator in cars along with its differences from the catalytic converter. Considering that both components are very important, you need to carefully consider if you intend to remove one of these components. It is advisable to consult an expert before removing one of these components. You can consult with a mechanic from Daihatsu's official workshop.

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