Garden Tools

The Best Lawn Mower Mufflers

This post contains affiliate links. As an Amazon Associate we earn from qualifying purchases.

Our picks are based on Amazon bestseller rankings, verified customer ratings, and product availability. We update our recommendations regularly to ensure accuracy.

A malfunctioning or incompatible lawn mower muffler can lead to excessive noise, reduced engine performance, and potential safety hazards. Choosing the right muffler is crucial for maintaining your equipment, ensuring a quieter mowing experience, and complying with local noise ordinances. This guide will help you select the best option for your needs.

No. 1
751-0616B 951-0616B Twin Inlet Exhaust Muffler 951-0616B for MTD Cub Cadet LT1018 LT1022 LT1024 GT1222 RZT...
  • Application: 951-0616B Dual Inlet Muffler For MTD Produced Bolens, Brute, Columbia, Craftsman, Gold Series, Huskee, Huskee Supreme, MTD Gold, MTD Pro, Mastercut, Murray, Private Label, Ranch King, Ryobi, Troy Bilt, White Outdoor, Yard Machines & Yard Man.
  • Used on for RZT, Riding Mowers, Lawn Tractors and Garden Tractors (2001 - 2010). Fits Cub Cadet 364, 1170, 1180, 1212, 1800, LT1018, LT1022, LT1024, GT1222, RZT22, RZT50, RZT50 KW, RZT54, RZT 54 KW and RZT50 VT.
  • Replaces OEM Part number: 01006537, 751-0557, 751-0616A , 951-0616B, 951-0616, 751-0616B, 751-0616.
  • Advantage: Kit includes -1*Muffler,1*Deflector,4*Deflector Installation Screws,4*Muffler Installation Self-Tapping Screws.Note make sure when mounting on mower to point deflector in the down position away from chassis and components.
  • Function: The design of dual entry ports makes noise reduction more obvious, making you feel more comfortable at work and not disturbed by high decibel volume.
SaleNo. 2
1272 MUFFLER 1/2IN BRIGGS
  • Fits B&S Models: 82500 to 92599, 92900 Series (3.5 HP Vertical), 93500 Series. Also fits Tecumseh & Clinton (2-4 HP).
  • FITS MODELS - B&S: 82500-92599, 92900 Series, 93500 Series
  • REPLACES OEM - B&S: 298830, 394569, 394569S
  • PIPE SIZE: 1/2"; HEIGHT: 2-1/2"; DIAMETER: 2-1/2"
No. 3
149723 532149723 Twin Engine Muffler for Husqvarna Poulan Craftsman Mower
  • Replacement part number: 149723, 137978, 122440X, 532137978, 532149723
  • Compatible with the following Brand: Se-ars, Poulan, Husqvarna, Ra-lly, Fit for Ko-hler, BS Engine
  • Compatible with Husqvarna Model: 2042 LS, 2246 LS, 2346 XLS, 2348 LS, 2748 GLS, 2754 GLS, GT 2254, GTH 2248 XPA, GTH 2248 XPB, GTH 2248 XPC, GTH 2250 A, GTH 2250 B, GTH 2250 C, GTH 2250 XPA, GTH 2254 XP, GTH 2254 XP, GTH 2254 XPA, GTH 2254 XPB, GTH...
  • Compatible with Husqvarna Model: GTH 2548 XPA, GTH 2548 XPB, GTH 2550 A, GTH 2550 B, GTH 2550 XPB, GTH 2554 XPA, GTH 2554 XPB, GTH 26 K 54, GTH 26 K 54 T, GTH 2648, GTH 2654, GTH 2654 T, GTH 2754, GTVH 200, GTVH 205, LGT 2654, LOGTH 2448 T
  • This product is made of high quality materials, strong, durable, long service life, Please check the model carefully before you buy it. If you have any questions during the installation, please contact us. Thank you for your reply and help
No. 4
Oregon 35-005 Muffler Replaces Briggs & Stratton 294599, 294599S
  • Outside Diameter 2-3/8"
  • 3/4" Pipe Thread
  • Item Package Dimensions: 2.5" L X 2.5" W X 6.5" H
  • Item Package Weight: 0.48 Lb
No. 5
692038 Lo-Tone Muffler/Exhaust Muffler for B&S 6 HP Quantum Engines
  • Replaces Part Numbers: 490547 496106 496106s 692038 35-027
  • Lo-Tone muffler Compatible with BS 6 HP Quantum Engines or 625-675 Series Engines and 4-1/2 & 5 HP Quantum models and Toro Models
  • Lo-Tone muffler means a device used to reduce the noise of a machine, mitigating the noise of the machine and making it quiet while it is working
  • Ensure that the Lo-Tone muffler is effective in reducing noise by periodically inspecting for cracks or corrosion on the Lo-Tone muffler to determine if it needs to be replaced. In addition, factors such as increased power and resistance, temperature...
  • Therefore, it is essential that the Lo-Tone muffler be inspected and replaced on a regular basis. to ensure the effectiveness of the Lo-Tone muffler
  • To ensure a satisfactory shopping experience for customers, if you encounter any questions or problems, please do not hesistate to contact us. We will do our best to help you fix any issues
No. 6
532188655 188655 Muffler Compatible with Husqvarna Craftsman Poulan
  • Replacement part: 532188655, 580532301, 188655
  • Compatible with Husqvarna Model: YTH21K46, YTH2146, YTH20K46, YTH20K42, YTH20F42T, YTH2042, YTH151, YTA19K42, YT1942T, YT1942, TS242, TS238, TS142L, TS142, TS138, TC242, TC238, TC138, RZ5424, RZ5422, RZ4620, RZ4619, RZ4219, PT26D, LTH2142DR, LTH2142D...
  • This product is made of high-quality materials, not easy to deform, sturdy and durable structure, the use of good results, long service life
  • Compatible with Poulan Pro Model: PP19H46, PP19A42, PP185A42, PB20H42LT, PB20A46LT, PB20A46, PB20A42LT, PB185A46LT, PB185A42
  • Compatible with Jonsered Model: LT2317CMA, LT2317A, LT2316CM, LT2218CMA, LT2218A, LT2217CMA, LT2217A, LT2216CM, LT2216, LT2117A, LT2115CMA, LT2115CM, LT2115A, LT2115, LT2114A, LT2114
No. 7
Universal Muffler For 1" Pipe Replaces K
  • Rotary Brand Parts
  • Replacement for Part Number ST105122, 32043B, 32043A, B1SB1277, 105-300, 105-122, 7-03670, 35-006, 275679S, 393232S, 393232, 392989, 299477S, 299477
No. 8
Lawn Mower Engine Muffler Exhaust (Inlet ID 1-3/8″ Outlet ID 1-3/8″)
  • Replacement Part Number: 393840-R91 IH-393840-R91 237550-S 237550 105-296
  • Compatible with Model: Cub Cadet 393840-R91 IH-393840-R91 and K-ohler mufflers 237550-S K241 K301 K321
  • Specs Description: Does NOT include clamp, Body Length: 11 3/4", ID: 1 3/8", Length: 16 1/8", OD: 3 1/2"
  • DURABLE CONSTRUCTION: Made of heavy-gauge steel with a durable powder coat finish to resist corrosion so it stands up to outdoor use. for long-lasting performance even in demanding mowing conditions. Premium welded seams and robust mounting bracket ensure...
  • PROTECTS ENGINE: Acts as the exhaust outlet to safely expel gases away from the mower while shielding internal components from heat and debris
No. 9
Oregon 35-006 Muffler Replaces Kohler/Briggs & Stratton 392989
  • Oregon 35-006 Replacement Muffler
  • 1" Pipe Thread
  • 4-1/2" OD x 3-1/4" Length
  • Fits K240-K321 & K532-K582 Kohler engines
  • Replaces Kohler 275679, 275679S, 236649 and Tecumseh 32043B

Last update on 2026-08-30 / Affiliate links / Images from Amazon Product Advertising API

How to Choose the Best Lawn Mower Mufflers

Compatibility is Key

Ensuring the muffler you choose is compatible with your specific lawn mower model is paramount. Check the manufacturer's part number or consult your mower's manual to identify the correct replacement. Universal mufflers are available, but verifying dimensions and mounting points is essential for a proper fit.

Material and Durability

Mufflers are typically made from steel, often with coatings to prevent rust and corrosion. Higher quality mufflers may feature thicker gauge steel or specialized finishes for enhanced longevity, especially if your mower is used frequently or in harsh conditions. Consider the expected lifespan and warranty offered.

Noise Reduction Level

Mufflers vary in their ability to dampen sound. While all mufflers reduce noise, some offer superior sound suppression. Look for specifications or reviews that indicate the noise reduction capabilities if a quieter operation is a primary concern.

Frequently Asked Questions

How do I know if my lawn mower muffler needs replacing?
Signs include excessive noise, visible rust or holes, and a decrease in engine performance. If you notice a significant increase in the sound your mower makes, it's a strong indicator that the muffler may be damaged or worn out.
Can I use a muffler from a different brand of lawn mower?
In some cases, yes, if the dimensions and mounting brackets are compatible. However, it's always best to use a muffler specifically designed for your mower's make and model to ensure optimal performance and fit.
What is the difference between a standard and a heavy-duty muffler?
Heavy-duty mufflers are typically constructed with thicker materials and more robust internal baffling for enhanced durability and superior noise reduction. They are designed to withstand more demanding use and may offer a longer service life.
How often should a lawn mower muffler be replaced?
There isn't a set replacement schedule, as it depends on usage and maintenance. Inspect the muffler periodically for signs of damage or wear. With proper care, a muffler can last for many years.