Product Description
The WALKER 21752 Quiet-Flow® SS Exhaust Muffler is engineered as a direct-fit, premium replacement for select Ford F-150 models. Constructed from 100% stainless steel, this Quiet-Flow® SS muffler delivers exceptional durability, superior corrosion resistance, and longer service life compared to aluminized units.
OE-style internal components—including louvered tubes, domed heads, and mechanically joined partitions—provide factory-quality sound control and reliable performance. Designed with precise pipe routing and OE-style hangers for easy, bolt-on installation, this muffler is built to withstand the demands of daily use and high-temperature cycles.
Key Features
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100% Stainless-Steel Construction for maximum corrosion resistance
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OE-Style Sound Quality with louvered tubes and domed acoustic chambers
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Direct-Fit Installation using OE-style hangers and brackets
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Mechanically Joined Tubes & Spun-Locked Heads for durability
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Validated Flow & Acoustic Performance for OE-level operation
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Limited Lifetime Warranty + Walker’s 90-Day Safe and Sound® Guarantee
Technical Specifications
(Dimensions not provided in source data — structured section preserved for consistency.)
| Specification |
Detail |
| Shape |
Oval |
| Finish |
Natural |
| Body Material |
Stainless Steel |
| Outlet Location |
Offset |
| Inlet Type |
Pipe Connection |
| Outlet Type |
Pipe Connection |
| Hanger Included |
Yes |
| Reversible |
No |
| Tunable |
No |
| Grade Type |
Premium |
| Fitment |
Specific |
Vehicle Compatibility
Ford
F-150
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2018–2020 – 5.0L V8 5038cc / 307cid
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2011–2014 – 3.5L V6 3496cc / 213cid
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2011–2014 – 6.2L V8 6210cc / 379cid
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2011–2017 – 5.0L V8 4951cc / 302cid
All applications:
Installation & Notes
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Direct-fit unit—no welding or fabrication required
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Uses OE-style hangers for proper alignment
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Stainless-steel construction provides extended lifespan
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Designed to restore original exhaust tone and flow characteristics