Whats the loudest muffler?

Last Update: May 30, 2022

This is a question our experts keep getting from time to time. Now, we have got the complete detailed explanation and answer for everyone, who is interested!

Asked by: Candida Steuber
Score: 4.9/5 (37 votes)

1. Flowmaster Outlaw. Flowmaster Outlaw is the loudest muffler in the list.

What is the loudest muffler to buy?

What's the loudest muffler? The American Thunder Series Flowmaster muffler is Flowmaster's most aggressive-sounding muffler and is ideal for early muscle cars, off-road rides and dual exhaust cruisers. Or, for the deepest tone available for high-horsepower street cars, you can't beat the Flowmaster Super 40 Muffler.

Which Flowmaster muffler is the loudest?

The Outlaw is the loudest Flowmaster exhaust currently available. It's pretty much a straight pipe inside, so it's only suitable for race applications – unless you've got the cajones to rock one on the road.

What kind of mufflers are loud?

There are three types of mufflers: glasspack, turbo, and chambered. Glasspack is the loudest, and you should check the noise pollution laws in your state before buying one.

What kind of muffler makes a car louder?

Most factory mufflers that come on cars are the “s-type” mufflers that absorb a lot of sound. A straight muffler is different because the exhaust is going to come out directly. This should make your exhaust significantly louder and it should also make your car perform a bit better too.

Flowmasters - Sound Testing 8 Hottest Mufflers

18 related questions found

Are straight pipes legal?

A: The law has not changed. ... The law does not specifically answer how loud a motorized vehicle can be, but it does say that a vehicle must have a good working muffler that prevents "excessive or unusual noise." So any cutouts or bypasses, straight pipes or rusted-out mufflers and exhaust with holes are all illegal.

How can I make my exhaust louder legally?

9 Ways to Make Your Exhaust Louder
  1. Aftermarket Exhaust. One of the easiest ways to make your car louder is by getting an aftermarket exhaust kit. ...
  2. Catback Exhaust. ...
  3. Exhaust Tip. ...
  4. Headers. ...
  5. Muffler Upgrade. ...
  6. Muffler Delete. ...
  7. Turbo Chargers. ...
  8. Performance Cold Air Intake.

Are loud mufflers illegal?

Muffler & Exhaust System Sound Laws – No Standards For Maximum Noise. Unfortunately, there is no national law that vehicle owners and exhaust manufacturers can reference to make sure their systems aren't too loud. Instead, every vehicle owner or exhaust system installer must know their local laws.

Is short or long glasspack louder?

The length of a glass pack is going to basically only to affect loudness. The longer the glasspack the quieter it will be. The shorter it is the louder it will be. ... They basically just take a little bit of the edge off of the overall loudness of the exhaust.


Is Flowmaster Super 44 illegal?

Answer: Yes. The Flowmaster Super 44 comes with a Limited Lifetime Warranty as it is made from stainless steel. Question: Can I use these mufflers in the state of California? ... They are illegal if the noise being emitted from the muffler is over 95 decibels although on the spot fines have been stopped.

What muffler is louder than a Flowmaster 40?

The MagnaFlow Stainless Steel, Straight-Through Universal Muffler # MF12588 is a straight through style of muffler whereas the Flowmaster 40 Series is a chambered style. Flow through mufflers are always louder than chambered mufflers so the part # MF12588 would be louder.

Do Flowmasters get louder over time?

it will get louder as you drive it. it does need to break in. i put one on my 05 f150 and it was a little quiet but once broke in it sounded better. it wont get much louder but it will be a noticable difference after some time.

What is the best sounding muffler?

10 Best Sounding Muffler for 4 Cylinder Cars/Trucks Review
  1. Borla 40358 Pro XS Muffler. ...
  2. Flowmaster 953047 Super 40 Series Muffler. ...
  3. Thrush 17649 Welded Muffler. ...
  4. Dynomax 17733 Super Turbo Muffler. ...
  5. MagnaFlow 11226 Exhaust Muffler. ...
  6. Cherry Bomb 87522 Glasspack Muffler. ...
  7. DC Sports EX-5016 Exhaust Muffler.


Who makes the quietest muffler?

A-List of the Quietest Performance Mufflers
  1. MBRP M2220A Aluminized Muffler. Check Latest Price. ...
  2. Vibrant 1141 Ultra-Quiet Resonator. Check Latest Price. ...
  3. Vibrant 1142 -3inch Resonator. Check Latest Price. ...
  4. Walker 21357 Muffler. Check Latest Price. ...
  5. MBRP M1004 Universal Muffler. ...
  6. Walker 17886 Economy Muffler. ...
  7. Borla 4084S Muffler.

How do I choose a muffler?

Part 1 of 2: Select the right muffler for your car
  1. Step 1: Know what kind of muffler you need. ...
  2. Step 2: Figure out what is important to you in a muffler. ...
  3. Step 3: Determine whether you need a single or a double muffler. ...
  4. Step 1: Find a muffler with a good warranty. ...
  5. Step 2: Have your muffler professionally installed.

Why is my muffler so loud?

A muffler that is suddenly noisy is often caused by the driver hitting something while on the road, damaging the exhaust system. Rust can also be a culprit of holes in the muffler, resulting in a noisy muffler which gets progressively worse as the holes get bigger.

Why is my muffler so loud when I accelerate?

A common cause for muffler noise is loose exhaust system components. Items close to your car's exhaust pipe, such as exhaust connectors, exhaust rubber hanger, or loose exhaust bracket, could come into contact with the muffler by accident, causing that rattling noise in the muffler, especially when you accelerate.


How much should a muffler cost?

The cost of mufflers can range from $160 to $240 depending on what needs to be replaced and how much labor is associated with it. Some muffler repairs will require fixing broken clamps as well. If you think you have exhaust problems, you should go get a free inspection.

Is straight pipe bad for your engine?

… a race car style exhaust system is a bad upgrade for a street vehicle. ... A straight pipe, for example, can cause exhaust gas velocity to increase. This will likely reduce engine performance below 2,000 or 2,500 RPM, making your vehicle a little slower to launch from a stoplight.

How loud is an illegal exhaust?

95 dbA is the legal limit for vehicle exhaust noise in California. Police officers can “exercise their judgment” in determining if your exhaust noise is over the legal limit. Most factory-installed exhaust systems even on powerful sports cars don't exceed 75 decibels.

Is a glasspack legal?

Is it now illegal to install an aftermarket exhaust system on my vehicle? ... The sale and installation of an aftermarket exhaust system remains legal in California so long as it does not exceed a sound level of 95-decibels when tested under SAE J1492 and complies with all other exhaust and safety laws and regulations.


How can I make my exhaust louder without buying anything?

You can modify the exhaust on an older vehicle easily without having to buy any expensive parts.
  1. Cut the exhaust pipe with an angle grinder where the exhaust pipe meets the muffler coming out of the engine.
  2. Cut the hangers on the disconnected pipe with the angle grinder and remove the excess pipe.

Does drilling holes in your exhaust make it louder?

Drilling holes in your exhaust will definitely make your car louder. By doing so, you allow some sound waves to escape before they are silenced by the muffler. It's important to drill holes at the right location to prevent damage to the car.

What makes an engine sound good?

Most throaty, aggressive-sounding cars have very high half orders, such as 2.5 and 3.5 times the firing frequency. These produce the growl that's desirable in a sports car. They are normally adjusted through exhaust tuning. The relative loudness of the higher orders defines these two engines' distinct timbres.