Tips Sahabat

What is a Car Exhaust Muffler? Its Types and Functions

09 April 2025
Apa itu Muffler Knalpot Mobil? Ini Jenis dan Fungsinya

The car muffler is one of the components found in the car's exhaust system. The muffler also plays a significant role in the car's exhaust.

There are various types of mufflers available in the market today. Some of these muffler types are used for car modifications to make them look cooler. Are you curious? Take a look at the types of mufflers available in the market along with their actual functions. 

Types of Car Mufflers

Mufflers in car exhausts are categorized based on the raw materials used in their construction and their construction design. For more details, see the following review.

1. Based on Raw Materials

Understanding the materials used for mufflers will help you understand more deeply what the actual function of a muffler is.

  • Galvanized

If you want a rust-resistant muffler, you can choose a muffler made from galvanized material. However, the weight of this type of muffler is considered heavy.

  • Stainless & aluminum

This raw material is very suitable for those who want a lightweight muffler. The weight of stainless and aluminum is indeed lighter than galvanized. However, it has strong resistance to rust just like galvanized. It is no wonder that this material is often used as a raw material for racing exhausts.

  • Titanium

This raw material has rust-resistant properties just like galvanized and stainless. It is also lightweight. In addition, titanium is strong against exposure to high temperatures, making the muffler more durable.

  • Carbon

This raw material is the best material for making mufflers because it can optimize exhaust performance. However, to have this type of muffler, you need to spend quite a lot of money.

Read Also: What is a Car Exhaust Catalyst? Its Functions & Types

2. Based on Construction Design

Here are some types of mufflers based on their construction.

  • Factory standard muffler

This muffler is the original muffler from the vehicle's exhaust manufacturer. This muffler has an inlet pipe and an outlet pipe for exhaust gas circulation. The exhaust gas temperature from the factory muffler is relatively low because there is a resonance chamber inside the pipe.

  • Straight flow muffler

This type has a straight pipe channel with holes surrounding this channel. In this channel, there are absorption materials as a lining and sound dampener. This type is usually used for sport and racing exhausts.

  • Resonance chamber muffler

This type of muffler has many holes and functions for gas expansion.

  • Baffle silencer muffler

This type of muffler has a tube with many zig-zag spaces that function to minimize noise and exhaust gas emissions released by the exhaust. 

Read Also: The Difference Between Racing Exhaust Headers and Factory Exhausts

Functions of Car Mufflers

The functions of the muffler in car exhausts include:

  1. Dampening the explosion sounds in the exhaust during the emission gas discharge process.
  2. Reducing noise pollution that can disturb the community or other drivers.
  3. Reducing shock effects on the heart when the exhaust releases emission gases.

Thus, a complete review of the types of car mufflers along with their functions. Make sure to seek assistance from a qualified technician when replacing this component. Improper installation can cause the engine block to overheat easily. 

You can visit the nearest Daihatsu dealer to consult about the replacement or installation of this component. Daihatsu dealers will provide the best car service for you. 

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