Best Lawn Mower Mufflers of 2025

Bryan Hicks Avatar
Bryan Hicks
Last Updated: Jan 2, 2025

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Lawn mower mufflers are essential components of any lawn mower, as they help reduce the noise levels and prevent damage to the engine. These mufflers are designed to absorb and dissipate the sound waves generated by the engine, thereby reducing the noise levels to a more tolerable level. They are available in different sizes and shapes to fit different types of lawn mowers, and are made from high-quality materials to ensure durability and longevity. Whether you are a homeowner or a professional landscaper, investing in a good quality lawn mower muffler is a wise decision that will pay off in the long run.

At a Glance: Our Top Picks

Maxpower 334140 Engine Muffler Cover #TOP 1
Maxpower 334140 Engine Muffler
ftb score rating icon 9.9
Oregon Super Low Tone Muffler for Briggs & Stratton Cover #TOP 2
Oregon Super Low Tone Muffler for Briggs & Stratton
ftb score rating icon 9.8
Briggs & Stratton Muffler Adapter 690776 Cover #TOP 3
Briggs & Stratton Muffler Adapter 690776
ftb score rating icon 9.6

Top 10 Lawn Mower Mufflers

#TOP 1

Maxpower 334140 Engine Muffler

334140
grey
Large
Maxpower 334140 Engine Muffler Cover
Maxpower 334140 Engine Muffler For 1 in. Pipe Replaces Briggs & Stratton 299477, 299477S

The Maxpower Engine Muffler is a high-quality replacement for Briggs & Stratton engines. Designed to replace OEM numbers 299477 and 299477S, this muffler is also compatible with Kohler 275679S and Tecumseh ST105122, 32043A. It is suitable for a wide range of applications, including John Deere, Gravely, Power King, Wheel Horse, and Wisconsin. With its durable construction and perfect fit, the Maxpower Engine Muffler ensures optimal performance and noise reduction for your lawn mower. Say goodbye to noisy engines and enjoy a quieter mowing experience. Upgrade your Briggs & Stratton engine with the Maxpower Engine Muffler today!

What We Like
High-quality replacement
Noise reduction
Durable construction
#TOP 2

Oregon Super Low Tone Muffler for Briggs & Stratton

35-012
silver
3.13 x 5.375 inches
Oregon Super Low Tone Muffler for Briggs & Stratton Cover
Oregon 35-012 Super Low Tone Muffler Replacement for Briggs & Stratton 393010, 393010S

The Oregon Muffler for Briggs is designed to fit 7 and 8 HP engines, making it a great choice for various lawn mowers. With a 3/4" pipe thread, it ensures a secure connection, allowing you to work without worrying about leaks. The muffler’s dimensions of 3-1/8" in diameter and 5-3/8" in length are ideal for maintaining optimal performance. This replacement option is compatible with several Briggs & Stratton series, including 170400 and 190700, providing versatility for your needs. By choosing this muffler, you can replace the Briggs # 393010 and 393010S effortlessly, enhancing your mower's efficiency.

What We Like
Fits multiple engine types
Secure 3/4" pipe thread
Compact size for easy installation
Compatible with various Briggs series
#TOP 3

Briggs & Stratton Muffler Adapter 690776

690776
multi
Briggs & Stratton Muffler Adapter 690776 Cover
Briggs & Stratton 690776 Muffler Adapter

The Briggs Muffler Adapter is a genuine replacement part designed specifically for Briggs & Stratton equipment. This OEM component ensures a perfect fit, allowing you to easily replace your old or damaged muffler adapter. With compatibility across numerous models, it provides flexibility for various lawn mower brands. By using this adapter, you can maintain optimal performance and reduce noise, enhancing your mowing experience. Investing in this part means you can enjoy a quieter operation and prolong the life of your lawn mower.

What We Like
Genuine OEM part
Easy installation
Wide compatibility
Reduces noise
#TOP 4

Kohler Cub Cadet Muffler

Kohler Cub Cadet Muffler Cover
237550.237550S ENGINE MUFFLER EXHAUST FOR KOHLER CUB CADET K241 K301 K321 393840-R91

The Kohler Muffler for Cub Cadet is an essential component for your lawn mower, ensuring efficient engine performance. It replaces specific part numbers, making it easy to find a compatible option for your Cub Cadet garden tractor. With an inlet and outlet diameter of 1-3/8 inches, this muffler fits snugly to help reduce noise while you work. Its 11-1/2 inch canister length and 16-1/8 inch overall length provide a perfect fit for your engine setup. Additionally, this product does not come with a clamp, so you may need to purchase one separately for installation.

What We Like
Easy compatibility with specific models
Noise reduction for a better experience
Custom fit for efficient performance
Durable construction for long-lasting use
#TOP 5

Husqvarna Part 532188655 Muffler

532188655
Husqvarna Part 532188655 Muffler Cover
Husqvarna Part Number 532188655 Muffler

If you are looking for a replacement muffler for your specific Husqvarna or Poulan lawn tractor or mower model, the Husqvarna Muffler is a great option. This genuine OEM part replaces part numbers 188655 and 580532301. By using a genuine OEM part, you can ensure that your lawn mower or tractor will function properly and efficiently. The Husqvarna Muffler is designed to reduce noise and exhaust emissions while providing optimal performance. With this muffler, you can mow your lawn without disturbing your neighbors and without causing harm to the environment. Additionally, the Husqvarna Muffler is compatible with several Husqvarna lawn mower models, including CT153, CT154, CTH194, CTH2038, and LTH2038, making it a versatile option for a range of lawn care needs.

What We Like
Genuine OEM part
Reduces noise and emissions
Optimizes performance
#TOP 6

Oregon 35-005 Muffler

35-005
Oregon 35-005 Muffler Cover
Oregon 35-005 Muffler Replaces Briggs & Stratton 294599, 294599S

The Oregon Muffler is an outdoor living product that can replace Briggs & Stratton 294599 and 294599S mufflers. This muffler is made in Taiwan, Province of China and weighs only 0.48 lb. Its package dimensions are 2.5" L x 2.5" W x 6.5" H. The Oregon Muffler is a great choice for lawn mower owners who want a durable and high-quality muffler. The muffler is easy to install and can reduce the noise of the lawn mower, making it more comfortable for users to operate. Additionally, its small size and lightweight design make it easy to carry and store.

What We Like
Durable
Easy to install
Reduces noise
#TOP 7

Rotary Muffler for Briggs Models

1272
Rotary Muffler for Briggs Models Cover
1272 MUFFLER 1/2IN BRIGGS

The Rotary Briggs Muffler is designed to replace several Briggs & Stratton models, ensuring compatibility with a range of engines. If you own mowers from the 82500 to 92599 series, this muffler will fit perfectly, providing a seamless replacement option. It also accommodates Tecumseh and Clinton engines with 2 to 4 horsepower, making it a versatile choice for various lawn equipment. The 1/2-inch pipe size and compact dimensions of 2-1/2 inches in height allow for easy installation, helping you maintain your mower's efficiency and performance.

What We Like
Compatible with multiple engine models
Easy installation process
Versatile for different brands
Compact size for convenience
#TOP 8

Rotary 1275 Muffler

RXR-1275
Rotary 1275 Muffler Cover
Rotary 1275 - Aftermarket Replacement - 3/4" NPT Threaded Muffler

The Rotary Muffler 1275 is an aftermarket replacement designed specifically for lawn mowers. It features a 3/4” NPT threaded male connection, ensuring a secure fit for your equipment. This muffler is an excellent choice if you need to replace specific models, including 291244, 294599, and 395011. By using this product, you can enjoy improved performance and quieter operation, enhancing your mowing experience. With its reliable construction, this muffler offers convenience and peace of mind, knowing that your lawn mower will run smoothly and efficiently.

What We Like
Aftermarket compatibility
Easy installation
Improved performance
Quieter operation
#TOP 9

Husqvarna Muffler Exhaust 532137352

532137352
Husqvarna Muffler Exhaust 532137352 Cover
Husqvarna Part Number 532137352 Muffler Exhaust B&S Lt

The Husqvarna Muffler is an original equipment manufacturer (O.E.M.) part designed to fit various Husqvarna models. By choosing this replacement part, you ensure compatibility and reliability for your lawn mower. It helps maintain optimal performance by effectively reducing exhaust noise, which can enhance your mowing experience. Additionally, as an O.E.M. authorized product, it guarantees the same quality and durability as the original part, providing peace of mind. Investing in this muffler means you can enjoy a quieter and more efficient mowing session.

What We Like
O.E.M. quality assurance
Fits multiple Husqvarna models
Reduces exhaust noise
Reliable performance
#TOP 10

105-296 Engine Muffler for Cub Cadet

237550-S
105-296 Engine Muffler for Cub Cadet Cover
105-296 Lawn Mower Engine Muffler Exhaust (Inlet ID 1-3/8″ Outlet ID 1-3/8″) Compatible with Kohler K241, K301 and K321 for Cub Cadet Garden tractors 393840-R91, IH-393840-R91, 237550, 237550-S

The fascinatte Muffler for Cub Cadet is a high-quality replacement for the Kohler exhaust models K241, K301, and K321. With a body length of 11 3/4" and an outer diameter of 3 1/2", this muffler is designed to fit perfectly and deliver optimal performance. The muffler does not include a clamp, but it is compatible with Cub Cadet garden tractors and provides a hassle-free installation experience. The 1 3/8" inner diameter ensures efficient exhaust flow, reducing noise and emissions effectively. Upgrade your lawn mower with the fascinatte Muffler for Cub Cadet and enjoy a quieter and cleaner mowing experience.

What We Like
High-quality replacement
Easy installation
Efficient exhaust flow
Buying Guide Image

Frequently Asked Questions (FAQs)

1. How can I make my lawn mower quieter?

To make your lawn mower quieter, you can start by checking the muffler and ensuring it is properly installed on the exhaust. Installing an engine silencer can also help reduce noise, especially with combustion engines. Additionally, checking the deck of the lawn mower can help minimize noise.

2. Do lawn mowers need mufflers?

While lawn mowers can be run without a muffler, it is not recommended. Mufflers not only reduce noise but also provide the necessary back pressure for the motor to function properly. Running a lawn mower without a muffler can lead to increased noise levels and potential hearing damage.

3. What does a muffler do on a lawn mower?

The main function of a lawn mower muffler is to reduce exhaust noise and prevent exhaust sparks from igniting dry grass, leaves, or debris. Over time, soot build-up, cracks, or holes can affect the muffler's performance, necessitating maintenance or replacement.

4. How long do lawn mower mufflers last?

The lifespan of a lawn mower muffler can vary, but generally, it may need to be changed or replaced after 1-2 years. The frequency of lawn mowing and the muffler's maintenance can influence its longevity. If the mower becomes significantly noisier, it may be a sign that the muffler needs attention.

5. Why do lawn mowers have to be so loud?

Lawn mowers can be loud because most engines are equipped with basic mufflers known as absorptive type mufflers. While these mufflers allow for minimal gas flow restriction, which is beneficial for power, they do not effectively reduce noise. This design trade-off prioritizes performance over noise reduction.

6. What are alternatives to mufflers?

One alternative to mufflers is a straight pipe exhaust system. This system replaces the muffler, resonator, and catalytic converter, allowing all the vehicle's noises to be heard. However, it is important to note that a straight pipe can increase noise levels and may have legal restrictions in some areas.

7. Do small engines need mufflers?

Yes, small engines, including those in lawn mowers, require mufflers. Mufflers are essential to reduce the exhaust noise generated during each exhaust stroke. They also help prevent exhaust sparks from exiting the mower and potentially igniting dry grass, leaves, or debris.

8. How do I know if my lawn mower muffler is bad?

To determine if your lawn mower muffler needs to be replaced, you can remove it (when the mower is cold) and shake it. If you hear significant noise or notice a large amount of rust or debris coming from the inside, it may be a sign that the muffler is in poor condition.

9. Do mufflers lose horsepower?

While mufflers can decrease engine power, this is generally more applicable to older cars manufactured 15+ years ago. Removing the muffler can result in a slight gain of horsepower, usually less than five hp. However, it is important to consider the legal implications and potential impact on vehicle performance before making any modifications.

Editor's Notes

During our lawn mower muffler research, we found 24 lawn mower muffler products and shortlisted 10 quality products. We collected and analyzed 9,684 customer reviews through our big data system to write the lawn mower mufflers list. We found that most customers choose lawn mower mufflers with an average price of $30.94.

The lawn mower mufflers are available for purchase. We have researched hundreds of brands and picked the top brands of lawn mower mufflers, including Maxpower, Oregon, Briggs & Stratton, fascinatte, Husqvarna. The seller of top 1 product has received honest feedback from 385 consumers with an average rating of 4.7.

Written by
Bryan Hicks Avatar

Bryan Hicks is a professional gardener and a writer who lives in North Texas with his family and his dog. Bryan has spent more than half of his life surrounded by garden products. He has extensive experience in garden makeovers and maintenance and lawn care. His areas of expertise include outdoor decoration, gardening and garden design.