Best Lawn Mower Mufflers of 2025

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Lawn Mower Mufflers are essential accessories for any lawn mower that help reduce noise levels and improve the overall performance of the machine. These mufflers are designed to fit a wide range of lawn mower models and come in various shapes and sizes to suit different needs. They are typically made of high-quality materials that are durable and long-lasting, ensuring that they can withstand the wear and tear of regular use. Whether you are a professional landscaper or a homeowner looking to maintain your lawn, investing in a good quality lawn mower muffler is a wise choice that can help you achieve better results and protect your hearing.
At a Glance: Our Top Picks
Top 10 Lawn Mower Mufflers
Fascinatte Lawn Mower Muffler for Kohler Engines
The Fascinatte Lawn Mower Muffler is designed for compatibility with Kohler engines K241, K301, and K321, making it an excellent choice for your Cub Cadet garden tractors. With a body length of 11 3/4 inches and an inlet and outlet diameter of 1-3/8 inches, it ensures a proper fit and efficient exhaust flow. This canister-style muffler helps to minimise noise, allowing you to work in your garden without disturbing the peace. It is a direct replacement for various model numbers, ensuring easy installation and reliable performance.
Briggs and Stratton 494585 Complete Muffler Assembly
The Briggs and Stratton Muffler is a genuine OEM part that ensures compatibility with various Briggs & Stratton engines. This complete muffler assembly includes all necessary components, such as adapters, a gasket, and mounting hardware, making installation straightforward for you. By choosing this product, you can enjoy improved engine performance and reduced noise levels. It's designed to fit perfectly, providing peace of mind that your equipment will run smoothly and efficiently.
Briggs & Stratton Lo-Tone Muffler for 3-4 HP Engines
The Briggs & Stratton Muffler is designed for 3 to 4 HP vertical engines with a 1/2-inch NPT connection. This Lo-Tone muffler effectively reduces noise, making your lawn maintenance more pleasant. Its compatibility with specific engine types ensures a proper fit, which can enhance performance. By using this muffler, you can enjoy a quieter operation, allowing you to focus on your gardening tasks without distraction.
Craftsman 149723 Lawn Mower Muffler Part
The Craftsman Muffler Part is a genuine OEM AYP part designed to enhance the performance of your lawn mower. Manufactured by American Yard Products, it guarantees compatibility with leading brands such as Craftsman and Husqvarna. This means you can trust its quality and reliability for your mowing needs. The product is specifically designed to reduce noise, providing a quieter mowing experience, which is beneficial for both you and your neighbours. Investing in this muffler will help maintain your mower's efficiency and longevity.
Briggs & Stratton Lo-Tone Muffler for Engines
The Briggs & Stratton Muffler is designed for 5-8 HP horizontal and vertical engines, making it a versatile choice for various lawn care tasks. Its Lo-Tone feature significantly reduces noise, providing a quieter working environment which is particularly beneficial for residential areas. With a 3/4-inch NPT fitting, installation is straightforward, ensuring that you can quickly set it up and get back to mowing. This muffler's durable design enhances the longevity of your engine, allowing you to enjoy reliable performance for years to come.
Briggs & Stratton 391569S Muffler for 10-12 HP Engines
The Briggs & Stratton Muffler is designed for 10-12 HP engines and features an 8-inch pipe length. This standard muffler effectively reduces engine noise, ensuring a quieter operation in your lawn care tasks. By fitting perfectly with specified engines, it enhances performance while maintaining compliance with noise regulations. You will appreciate the durability and reliability that comes with the Briggs & Stratton brand, making it a dependable choice for your lawn mower.
Husqvarna Muffler Exhaust for Lawn Mowers
The Husqvarna Muffler Exhaust is an O.E.M. authorised part designed to fit various Husqvarna lawn mower models. By using this genuine replacement part, you ensure optimal performance and compatibility with your machine. The OEM part number 532137352 guarantees you are receiving a high-quality product tailored for your specific needs. Additionally, being an O.E.M. part means you can trust in its durability and reliability, providing peace of mind as you maintain your garden equipment.
Briggs and Stratton 692304 Lo-Tone Muffler
The Briggs and Stratton Muffler is designed for optimum performance with 5-8.5 Hp horizontal and vertical engines. Its Lo-Tone feature ensures quieter operation, allowing you to work without disturbing the peace in your surroundings. Manufactured in Italy, this exhaust muffler is built to last, providing durability and reliability for your lawn care needs. Its specific fit for various engines ensures ease of installation and compatibility, making it a practical choice for maintaining your equipment.
Husqvarna Ayp OEM Lawn Mower Muffler
The Husqvarna Lawn Mower Muffler is designed to enhance the performance of your lawn mower. Its Lo-Tone feature ensures quieter operation, allowing you to mow your lawn without disturbing the peace. The model number 532149723 helps you identify the exact part needed for your mower, ensuring compatibility. Always check your parts manual for proper fitting, which makes installation straightforward and hassle-free. This reliable muffler not only reduces noise but also aids in maintaining the overall efficiency of your mower.
KONTONTY Small Engine Muffler for Lawn Mowers
The KONTONTY Muffler serves as an excellent replacement for your old or damaged lawn mower muffler. It is designed for easy installation, allowing you to simply screw it into the engine and tighten it for a secure fit. Constructed from premium galvanized iron, this muffler promises a long service life, ensuring that your lawn mower operates efficiently for years to come. With outstanding workmanship and practical design, this product enhances your mowing experience by improving engine performance.
Frequently Asked Questions (FAQs)
1. Can you run a lawn mower without a muffler?
Yes, you can run a lawn mower for a short period without doing any significant damage to your lawn mower. It will almost certainly run significantly louder, so it's a good idea to wear ear protection.
2. How long does a lawn mower muffler last?
Generally, this happens after 1-2 years, although this time frame obviously depends on how frequent you mow your lawn. When you decide that it's time to change the muffler, there are some considerations you should make.
3. What does a lawnmower muffler do?
A muffler's job is to reduce that exhaust noise and to prevent exhaust sparks from existing and igniting dry grass, leaves or debris. After a season or two, soot build-up and cracks or holes can cause the muffler to stop working properly.
During our lawn mower muffler research, we found 204 lawn mower muffler products and shortlisted 10 quality products. We collected and analyzed 11,699 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 £29.16.
The lawn mower mufflers are available for purchase. We have researched hundreds of brands and picked the top brands of lawn mower mufflers, including fascinatte, Briggs & Stratton, Husqvarna, KONTONTY.

Toby Butcher is a Horticulturist, and he earned his title as a Master Gardener in 2016. Toby has acquired a 25-year experience as a home gardener planting, designing, grooming vegetables and flowers. He is the leader of a plant group in Durham. Toby owns a blog where he publishes articles on growing and growing your flowers at home, in a vase, or in a garden.