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How to Make Exhaust Quiet (Ways to Make Car Exhaust Quieter)

Updated: Jan 8

If you've ever been driving down the road and noticed that your car's exhaust has become louder than usual, you might be wondering what could be causing the increased noise and how you can make the exhaust quieter.

In this article, we will explore the different factors that can contribute to a loud exhaust and provide some tips on how to make an exhaust quiet.


Table of Contents:


What Causes a Car Exhaust to Become Louder?

There are several factors that can cause a car's exhaust to become louder over time. Some of the most common include the following.

  • Exhaust leaks: If there is a hole or crack in the exhaust pipe, it can allow exhaust gases to escape, which can cause a loud, rumbling sound.

  • Muffler or resonator damage: The muffler and resonator are responsible for reducing the noise created by the exhaust gases as they pass through the exhaust system. If either of these components is damaged or worn out, it can cause the exhaust to become louder.

  • Catalytic converter failure: The catalytic converter is an important part of the exhaust system that helps to reduce harmful emissions. If it becomes damaged or clogged, it can cause the exhaust to become louder.

  • Exhaust tip: The exhaust tip is the end of the exhaust pipe, and it can affect the overall noise level of the exhaust. If the tip is damaged or has become loose, it can cause the exhaust to become louder.

How to Make an Exhaust Quiet Temporarily

If you need to make your exhaust quiet on a temporary basis, there are a few simple tricks you can try.

  • Put a sponge or foam pool noodle in the exhaust tips: This can help to reduce the noise by absorbing some of the sound waves created by the exhaust gases. This is a quick and easy fix, but it is only temporary and will not fix any underlying issues with your exhaust system.

  • Switch into normal or eco mode if your vehicle has driving modes: If you vehicle has different driving modes such as eco, normal, sport, etc, switching into a less sporty mode will usually make the exhaust quieter.

Putting a sponge or foam pool noodle into the exhaust tip is a great way to make startup on a vehicle with a straight pipe or loud exhaust quieter.