How to Make a Car Exhaust Quieter?

By Sayeed Parvez •  Updated: 04/15/22 •  9 min read

How often do you hear your car’s exhaust when you’re driving? It’s usually such a low rumbling sound that it’s hard to tell if the car is idling or moving, however, a defective exhaust system can be noisy, and this experience can be disturbing when driving.

If you want to make your car quieter while still being able to hear the engine, then you should consider the following 4 things

Here is a list of 4 things you can do that will make your car’s exhaust sound better:

Replace the muffler with a high-performance one

The most important part of the exhaust system is the muffler. Automobile mufflers or exhaust silencers are devices that reduce the noise from an entire engine’s exhaust gas.

They also reduce harmful emissions and can be used to comply with sound ordinances. The process of absorbing sound can be achieved by using fiberglass packing in between steel sheets or diaphragms.

This prevents noise pollution and droplets of unburnt fuel from leaving the tailpipe into the air. Many cars come with a factory-installed muffler system, but for maximum results, it may be necessary to install an additional quiet muffler system aftermarket.

Install dual exhausts or quad exhausts

If you’re looking to improve the performance of your car and sound system, installing dual or quad exhausts is a great option. This will reduce any noise coming out of the exhaust pipe as it travels through the engine.

Installing a quiet air filter and air intake system

Another option would be to install a quiet air filter and an air intake system. This will make sure that the air isn’t entering the engine at high speeds, so there’s less turbulence created by the car when it starts.

Use of Sound Deadening Spray

Noise is one of the big problems for people living near highways. The sound of engine and tires rolling on asphalt can be annoying and make it hard to sleep.

There are many ways to reduce vehicle noise, but sound deadening sprays are one of the best ways.

These sprays coat metal parts with a thick layer of rubber to keep them from vibrating or rattling while they are in operation. Sound deadening sprays are easy to install and provide a quieter ride for drivers and a better sleep for those living near highways.

Replace the Catalytic Converter with an After-catalytic Converter

When a car’s exhaust system is not functioning properly, it can be a real pain. If you’re looking for a way to make your car’s exhaust sound better, you may want to consider replacing the catalytic converter with an after-catalytic converter.

An after-catalytic converter is a device that is placed in the exhaust system after the catalytic converter. It helps to clean up the exhaust and makes the system run more efficiently.

Additionally, it can help to reduce the amount of noise that your car produces.

Change the piping of your exhaust system

There are a few things that you can do to change the piping of your exhaust system and make your car’s exhaust sound better. 

Use a muffler delete pipe

This will eliminate the muffler from your exhaust system and give your car a more aggressive sound.

You can also use a downpipe to improve the flow of exhaust gases. This will help your engine breathe better and make your car sound more powerful.

What is an Exhaust, and Why is it so Loud? 

Car exhaust is a combination of substances that come out of the engine. It is created by burning fuel in an internal combustion engine. The tubes are where the exhaust meets the atmosphere, making that loud noise.

Exhaust is loud because it has a powerful chemical coming out of the pipes at high speeds.

As the engine exhausts into the pipes, those pipes will send out a high-pressure gas that is filtered and condensed before entering the atmosphere.

The Benefit of Soundproofing your Car

One of the ways to make a car quieter is by adding soundproofing materials. The noise can be reduced by up to 80% with these materials, ranging from carpet and foam to specialized soundproofing paint.

There are many benefits of soundproofing your car. The most important one is that you will be able to have a quieter car.

This will make driving more comfortable, perfect for both the driver and passengers in the vehicle. It is also vital for business owners and executives who want a better serene environment during traveling.

You can find soundproofing materials at most hardware stores and even some auto parts stores. 

What you should know before buying an exhaust system

Buying an exhaust system is a big decision. When purchasing such an expensive part of your car, there are many factors to consider. One of the most important factors is how it sounds.

It should not be too loud and not too quiet either so that it doesn’t interfere with your driving experience.

One of the best tips is to get a couple of different types and sizes depending on how loud or quiet you want your car to be.

Some other options for exhaust systems include stainless steel or ceramic wraps, which may reduce noise levels or increase performance in the vehicle. Exhaust tips are also a great way to personalize your car.

A good exhaust system can make the difference between having a comfortable and enjoyable car experience or one that frustrates you with its performance and noise.

Please make sure you choose one that will work well for your vehicle and make it sound exactly the way you want it.

Products/Tools Recommendation 

Adding new muffler 

The most common solution to a noisy exhaust is adding a new muffler, which will make the car sound quieter and eliminate the loud noise. The downside of this is that it can lead to increased air pollution.

Replace the pipes with a stainless steel material

The most important thing to watch for when purchasing replacement pipes is the quality of the stainless steel used. The material must be thick enough to stop leaks and small pebbles from getting into the exhaust system.

Replace Your Hangers. 

As your vehicle ages, you may need to replace your exhaust hangers. These are metal brackets that hold your exhaust tips in place and must be returned at specific intervals to ensure the bumper stays in one piece.

The original parts of your car’s system can get harsh on the hangers, so it is essential to replace them when needed.

Muffler Replacement and Benefits

If you’ve got a cracked or leaking muffler, your car’s exhaust will escape from it every time you accelerate or decelerate. When this happens, you’ll need to replace the muffler.

Mufflers are available in different sizes and styles, so make sure to buy a new one that fits your vehicle and engine size properly.

If you want to make your car quieter while still hearing the engine, you should consider adding a muffler and removing any clogs. Here are some of the benefits that you’ll get!

Better fuel economy

You may not realize it, but a clogged muffler can actually diminish your car’s fuel economy. This is because the restricted airflow caused by the clog can make it harder for your engine to function properly.

Better performance

Your car will be able to produce more power, and your engine will be able to maintain peak efficiency while doing so. You’ll experience better acceleration at higher speeds.

Lower noise pollution

When your muffler gets clogged, you’ll notice that it makes your car sound louder than it ought to be but when you replace it with a new one, you’ll see that it works much better and won’t make as much noise. 

FAQs

How much does it cost to fix a noisy car exhaust?

The cost of fixing a noisy car exhaust depends on the reason for the noise. If you need to add a muffler, this can range from $50-$200, depending on the type of muffler you choose and whether you install it yourself or have someone else do it for you.

What are the consequences of having a noisy car exhaust?

The consequences of having a noisy car exhaust can be both monetary and non-monetary. You may get pulled over more frequently by police officers if your car is excessively loud, resulting in costly fines. In some areas, you may even be required to get your vehicle inspected more often if it is known to be noisy.

Is it difficult to install a muffler?

No, installing a muffler is not difficult. You can do it yourself with some essential tools or have someone else do it. The most important thing is to make sure that the muffler is correctly installed to effectively reduce the noise of your exhaust.

How often should I get my car inspected?

The frequency with which you need to get your car inspected depends on the regulations in your area. In some areas, cars need to be checked every year, while in others, they only need to be inspected every two years.

Conclusion

Many people have questions about how to make a car exhaust quieter. A different option is to add an aftermarket muffler, which can be costly.

Another is to have the exhaust system repaired or replaced by a professional. This is a less expensive option, but it may not be as effective as a new muffler.

Finally, the exhaust system can be modified by the car owner. This is the cheapest option, but it takes time and effort to do it correctly.

Sayeed Parvez