Difference Between Resonator And Silencer – Don’t Confuse Them!

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Is the meaning of each of these two components particularly important? Yes it is, because a resonator is not the same thing as a muffler, and each has distinctive properties that will alter the sound of your vehicle. Let’s dive into this post on the difference between resonator and muffler.

Difference Between Resonator and Silencer

One of the many joys of car ownership is the ability to customize it and make it your own like many people who own a Mustang do. This is due to the accessibility and the incredible number of quality replacement parts. The best option then is to start by changing the exhaust system to customize it?

The search for the perfect exhaust note is an obsession of Mustang owners, and why not give everyone a different exhaust frequency. Some like to let their friends know they’re getting close.

Others like to let people know they’ve passed. Whether you like a mighty roar, a scraping growl, or just about anything in between, the aftermarket Mustang exhaust industry has invented every conceivable exhaust component to make your “Stang” sound exactly like you do. he wants it.

Having such a vast pool of quality pieces to choose from is great, but it can be overwhelming at times. Add to that the marketing and technical talk, and choosing the right part can be difficult. In the world of aftermarket exhaust, the terms “resonator” and “muffler” are often used.

Despite being two components that a vehicle has, you may even come across a hybrid between a muffler and a resonator from time to time. It is better that we start knowing what each piece is and what its function is.

What does the silencer do?

The muffler’s job is to reduce engine sounds at an appropriate and acoustically pleasing level. How does the system work? Technically, a muffler silences the engine by reducing the sound pressure emitted. Factory mufflers are made to sound good. For many enthusiasts, stock mufflers are too conservative.

Mufflers are designed with multiple chambers that expand exhaust gases as they pass. These chambers feature either perforated tubes or baffles – maybe even both. The exhaust passes through these drilled holes and baffles, resulting in expansion. As the gas expands, its pressure decreases and, consequently, so does the sound level.

Also, OEM mufflers are often packed or lined with materials (such as fiberglass) as a sound deadening measure to better absorb sound inside the muffler and emit less ambient noise. The muffler also increases engine back pressure by slowing the rate at which exhaust gases exit the system. Excessive back pressure can impair performance.

What does the resonator do?

The purpose of a resonator is to cancel a certain range of sound frequencies. Without being too scientific, sound is simply a pressure wave emitted at a certain frequency.

Like waves in the ocean, sound waves have certain amplitudes (comparable to full size), a crest, and a trough. At the beach, when the crest of a wave meets the trough of a wave of the same size, the two waves cancel each other out and there will be no more waves. The same principle applies to sound waves. If you have two sound waves of the same size and frequency meeting from crest to trough, they will also cancel.

This begs the question, what rank will be cancelled? Well, they leave that up to the engineers. Typically an automotive sound engineer will pick a range that is not pleasant to listen to and build the resonator to remove that frequency. Noises that are canceled are loud noises or ranges where the exhaust note produced would be a loud buzz or irritating buzz.

What does a resonator do for your car? A resonator makes your overall exhaust note louder and more aggressive. It’s not a straight pipe, but it’s not very far. Resonators also have a bit of a muffler and don’t deflect exhaust gases as much as a muffler. This reduces back pressure, potentially freeing up a few horsepower.

Hybrid Resonance Exhaust Muffler

The last thing to consider is a combination of both. So what exactly happens when a silencer is attached to a resonator? Well, it’s actually quite simple.

You will have in your car the characteristics of each device. Certain obnoxious ranges will be totally eliminated, and the general note out of the tailpipes will be muted. Truth be told, most modern mufflers use this combination design. Initially prevalent among luxury vehicles, it is now considered an automotive industry standard.

The rapid differences between both components

Since we know that both components do not represent the same thing and that each one has a specific function, let’s see a quick difference between the resonator and the silencer:

Silencers:

  • Lower the sound level
  • Usually packed with fiberglass
  • Does not eliminate certain sound frequencies (hum)
  • Increases engine back pressure, hindering performance

Resonators:

  • Almost linear pipe sound intensity level
  • Cancels certain frequencies to stop buzzing and annoying noise
  • It is not adjustable at all
  • Decreases engine back pressure, increasing performance

Wide tubes, modifications and maintenance

Some enthusiasts choose to swap their resonator for a mid pipe, wide pipe (open chamber) to improve sound and volume, but as always it is important to check emissions to see if it is within regulations.

As a general rule, as long as you have catalytic converters (catalytic converters) it will be legal, but it is good to check if there are any other laws that may apply to you, especially if you live in the United States.

Is the meaning of each of these two components particularly important? Yes it is, because a resonator is not the same thing as a muffler, and each has distinctive properties that will alter the sound of your vehicle. Let’s dive into this post on the difference between resonator and muffler.

Difference Between Resonator and Silencer

One of the many joys of car ownership is the ability to customize it and make it your own like many people who own a Mustang do. This is due to the accessibility and the incredible number of quality replacement parts. The best option then is to start by changing the exhaust system to customize it?

The search for the perfect exhaust note is an obsession of Mustang owners, and why not give everyone a different exhaust frequency. Some like to let their friends know they’re getting close.

Others like to let people know they’ve passed. Whether you like a mighty roar, a scraping growl, or just about anything in between, the aftermarket Mustang exhaust industry has invented every conceivable exhaust component to make your “Stang” sound exactly like you do. he wants it.

Having such a vast pool of quality pieces to choose from is great, but it can be overwhelming at times. Add to that the marketing and technical talk, and choosing the right part can be difficult. In the world of aftermarket exhaust, the terms “resonator” and “muffler” are often used.

Despite being two components that a vehicle has, you may even come across a hybrid between a muffler and a resonator from time to time. It is better that we start knowing what each piece is and what its function is.

What does the silencer do?

The muffler’s job is to reduce engine sounds at an appropriate and acoustically pleasing level. How does the system work? Technically, a muffler silences the engine by reducing the sound pressure emitted. Factory mufflers are made to sound good. For many enthusiasts, stock mufflers are too conservative.

Mufflers are designed with multiple chambers that expand exhaust gases as they pass. These chambers feature either perforated tubes or baffles – maybe even both. The exhaust passes through these drilled holes and baffles, resulting in expansion. As the gas expands, its pressure decreases and, consequently, so does the sound level.

Also, OEM mufflers are often packed or lined with materials (such as fiberglass) as a sound deadening measure to better absorb sound inside the muffler and emit less ambient noise. The muffler also increases engine back pressure by slowing the rate at which exhaust gases exit the system. Excessive back pressure can impair performance.

What does the resonator do?

The purpose of a resonator is to cancel a certain range of sound frequencies. Without being too scientific, sound is simply a pressure wave emitted at a certain frequency.

Like waves in the ocean, sound waves have certain amplitudes (comparable to full size), a crest, and a trough. At the beach, when the crest of a wave meets the trough of a wave of the same size, the two waves cancel each other out and there will be no more waves. The same principle applies to sound waves. If you have two sound waves of the same size and frequency meeting from crest to trough, they will also cancel.

This begs the question, what rank will be cancelled? Well, they leave that up to the engineers. Typically an automotive sound engineer will pick a range that is not pleasant to listen to and build the resonator to remove that frequency. Noises that are canceled are loud noises or ranges where the exhaust note produced would be a loud buzz or irritating buzz.

What does a resonator do for your car? A resonator makes your overall exhaust note louder and more aggressive. It’s not a straight pipe, but it’s not very far. Resonators also have a bit of a muffler and don’t deflect exhaust gases as much as a muffler. This reduces back pressure, potentially freeing up a few horsepower.

Hybrid Resonance Exhaust Muffler

The last thing to consider is a combination of both. So what exactly happens when a silencer is attached to a resonator? Well, it’s actually quite simple.

You will have in your car the characteristics of each device. Certain obnoxious ranges will be totally eliminated, and the general note out of the tailpipes will be muted. Truth be told, most modern mufflers use this combination design. Initially prevalent among luxury vehicles, it is now considered an automotive industry standard.

The rapid differences between both components

Since we know that both components do not represent the same thing and that each one has a specific function, let’s see a quick difference between the resonator and the silencer:

Silencers:

  • Lower the sound level
  • Usually packed with fiberglass
  • Does not eliminate certain sound frequencies (hum)
  • Increases engine back pressure, hindering performance

Resonators:

  • Almost linear pipe sound intensity level
  • Cancels certain frequencies to stop buzzing and annoying noise
  • It is not adjustable at all
  • Decreases engine back pressure, increasing performance

Wide tubes, modifications and maintenance

Some enthusiasts choose to swap their resonator for a mid pipe, wide pipe (open chamber) to improve sound and volume, but as always it is important to check emissions to see if it is within regulations.

As a general rule, as long as you have catalytic converters (catalytic converters) it will be legal, but it is good to check if there are any other laws that may apply to you, especially if you live in the United States.

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