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๐ฅ Upgrade your engineโs breathability with Sutmorlyโs ultimate muffler kit!
The Sutmorly Muffler Exhaust Kit is a precision-engineered replacement for Honda GX340, GX390, and GX420 engines, as well as Harbor Freight 420cc models. Featuring reinforced welding for enhanced durability, a seamless heat shield for quieter operation, and an 8-direction exhaust deflector for customizable heat management, this kit includes a muffler, head shield manifold, and two gaskets. Designed to fit multiple 4-stroke engines, itโs ideal for water pumps, snowblowers, pressure washers, and more, backed by a 3-month warranty for risk-free upgrades.
| ASIN | B06XR6MGJ2 |
| Best Sellers Rank | #174,344 in Automotive ( See Top 100 in Automotive ) #137 in Automotive Replacement Exhaust Mufflers |
| Brand | Sutmorly |
| Brand Name | Sutmorly |
| Compatible with Vehicle Type | Lawn Mower |
| Customer Reviews | 4.2 out of 5 stars 138 Reviews |
| Global Trade Identification Number | 00714131404360 |
| Item Dimensions | 4.53 x 11.81 x 2.56 inches |
| Item dimensions L x W x H | 4.53 x 11.81 x 2.56 inches |
| Manufacturer | Sutmorly Parts Club |
| Manufacturer Part Number | Holzminiaturen_519 |
| Material | Metal |
| Material Type | Metal |
| Model Number | Holzminiaturen_519 |
| Shape | Round |
| UPC | 714131404360 |
| Vehicle Service Type | Lawn Mower |
C**.
Perfect fit.
Perfect fit. assembles easily. Fastener nuts included.
T**S
Great price great customer service
Great seller would buy from them again
A**Z
good quality, everything fit well
good quality and everything fit well. I'm going to fabricate an extension so I can exit the exhaust from the cowling, just not sure how to accomplish that yet.
M**A
Not a clean fit
Guard plate keeps unit from fitting properly on HS928. First one arrived without pipe. Doesn't come with nuts. Sub-par product all-around.
C**I
It fits
Cheep but works
T**.
Perfect fit
Nice, priced well muffler kit
T**G
Does Fit Harbor Freight 420cc Engine
Does not fit a Harbor Freight GX420 engine. The exhaust manifold is too small and will not bolt onto the engine.
J**R
Mounting studs
Spray studs and mounting nuts and let it soak for a day before replacing muffler. Works and looks great.
M**S
Missing parts
Muffler turned up in great condition, unfortunately missing gasket and pipe
Trustpilot
2 months ago
3 weeks ago