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🔇 Silence the noise, amplify the drive.
The Walker Quiet-Flow SS 55339 is a premium direct-fit exhaust muffler assembly designed exclusively for 2003-2011 Ford Expedition models. Crafted from 100% stainless steel, it offers superior corrosion resistance and durability compared to standard aluminized mufflers. Its OE-style design ensures easy installation without welding, while advanced acoustic engineering reduces noise for a factory-quality sound. Backed by a limited lifetime warranty and a 90-day satisfaction guarantee, it’s the smart upgrade for Expedition owners seeking reliability and refined performance.
| ASIN | B000VKYDHA |
| Best Sellers Rank | #978,402 in Automotive ( See Top 100 in Automotive ) #329 in Automotive Performance Exhaust Mufflers #20,339 in Automotive Emission & Exhaust Products |
| Brand Name | Walker |
| Compatible with Vehicle Type | Car |
| Customer Reviews | 4.2 4.2 out of 5 stars (92) |
| Global Trade Identification Number | 00086387553391 |
| Included Components | Cylinder Head Gasket |
| Item Dimensions | 58 x 18 x 14 inches |
| Item Type Name | Cylinder Head Gasket |
| Item Weight | 19 Pounds |
| Manufacturer | Tenneco (Dynomax, Walker, Thrush) |
| Manufacturer Part Number | 55339 |
| Manufacturer Warranty Description | Limited Lifetime Warranty |
| Material Type | Stainless Steel |
| Model Number | 55339 |
| Shape | Oval |
| UPC | 086387553391 |
| Unit Count | 1.0 Count |
C**1
Excellent OEM Fit
This is an excellent OEM replacement or Ford Expedition. After getting priced of upwards of $700 for a generic muffler, I decided to get this one and take to a local exhaust sho to install. It has to be cut to fit the tailpipe bits that's expected. And the flange doesn't use welded bits like Ford OEM but that's OK. Be sure to get some 3/8 2 1/2" black hardware bolts and nuts and the 3" graphite donut gasket.
B**.
Make sure you know the size you need
Easy to install fit like a gloove
D**D
Great replacement for my 04 Expedition
Fit was great for my 04 expedition. Very quiet and a breeze to install. I replaced the muffler and two downstream tailpipe sections, also from Walker, and everything went together with any issues.
J**E
Doesn't come packaged... Will be dinged up
Seems to work well so far. Had to do a little fabricating but nothing major. My big issue was no packaging and product came dinged up
D**C
Exact fit
Easy to install ,perfect fit
T**D
Not direct fit
This is only a direct fit if you purchase the additional section from Walker that includes the tailpipe. This does not fit with existing OEM Ford Expedition exhaust. Had to expand pipe to fit over existing pipe in order to make it work. Wasn’t shipped in a box so was pretty banged up during shipping.
D**K
Works like it's supposed too
Works like it's supposed too. Direct fit. But I had to cut off the tail pipe piece to make it fit my original tailpipe on my suv. Spray coated it to make it durable.
K**Y
Excellent muffler
Exact fit my 2005 Lincoln Navigator. Much better than OEM one.
B**N
I hate exhaust work pretty much given up on it due to my poor welding skill on exhaust. The last time I had a muffler installed at a shop he was telling me a lot of guys are doing it themselves on the newer vehicles as it’s all bolt together so I thought I would try. I talked to walker tech , he was very helpful lining me up with what I needed and other than grinding down the over cut off one of the tail pipe joints it all fit perfect. When I have tried the slip joints in the past sometimes I had trouble getting it in all the way but these fit well I am 99% sure I’ll have no trouble with the installation. I noticed some of the other brands didn’t have the bolt on joint which makes job easier I think
L**Y
perfect fit for my 05 navigator. quite and easy to install.
Trustpilot
1 month ago
3 weeks ago