Walker Quiet-Flow SS 21406 Direct Fit Exhaust Muffler 3" Inlet (ID) 3" Outlet (ID) for Ford F-250 Super Duty

Name: Walker Quiet-Flow SS 21406 Direct Fit Exhaust Muffler 3" Inlet (ID) 3" Outlet (ID) for Ford F-250 Super Duty
Brand: Walker
SKU: awhd-us-b000k03rdc
Price: 68.95 USD
Availability: InStock

Brand: Walker

Condition: Used

$68⁹⁵

$115⁹⁹

-41% Save $47⁰⁴

Updated: 2 days ago

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Description

COMPATIBILITY – Fits 1999-1999 Ford F-250 Super Duty; 2000-2000 Ford F-250 Super Duty; 2001-2001 Ford F-250 Super Duty; 2002-2002 Ford F-250 Super Duty; 2003-2003 Ford F-250 Super Duty; 2004-2004 Ford F-250 Super Duty; 1999-1999 Ford F-350 Super Duty; 200

GET THE RIGHT PART -- Before purchasing, please check the “Amazon Confirmed Fit” bar to ensure this part will fit your vehicle; enter all vehicle information (year, make, model, engine and trim) for compatibility and check qualifier notes. If the “Amazon Confirmed Fit” bar has an “i” in a blue circle, this product has additional notes. Please hover over the “i” on the bar to see notes before making your purchase

STAINLESS STEEL INHIBITS CORROSION -- The only broad-market muffler with 100% stainless-steel construction that delivers longer life versus aluminized mufflers while an internal drainage system reduces moisture collection

EASY TO INSTALL -- Direct-fit bolt-on replacement solution with OE-style hangers, brackets and pipe routings for easy installation and doesn't require specialized fabrication and/or welding

BUILT TO LAST -- Internal partitions and mechanically joined tubes allow expansion and contraction during temperature changes to minimize distortion while spun-locked heads and OE-style spot welds provide stability and longer service life

PREMIUM ACOUSTIC CONTROL -- OE-style louvered tubes lower noise levels while OE-style domed heads help reduce radiated noise for premium factory-style sound quality compared to straight perforated tubes

DESIGN VALIDATED -- Acoustic and flow tested for quality OE-style sound you can count on

BUY WITH CONFIDENCE -- Comes with Walker's limited lifetime warranty and exclusive 90-Day Safe and Sound Guarantee. Visit Walkerexhaust.com for details.

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Product Details

SKU:: awhd-us-b000k03rdc
Model:: 21406
Country:: US
ASIN:: B000K03RDC
GTIN:: 00086387214063
UPC:: 086387214063

Shopping Smarter

Common questions about buying open-box and refurbished.

Why buy refurbished or open-box?

Refurbished and open-box products offer the same performance as new at a fraction of the price. You're already saving $47 on this listing. They've been inspected, tested, and are ready to use — the only difference is the price tag. Buying refurbished also reduces electronic waste, extending product life cycles and keeping functional devices out of landfills.

What's the difference between open-box and refurbished?

Open-box products are customer returns that have been inspected and confirmed functional. They may show little to no use — often the item was returned simply because the buyer changed their mind. Refurbished products have been professionally repaired or restored by technicians, tested to meet or exceed manufacturer specifications, and sometimes come with a warranty. Both are a smart alternative to buying new.

Why use OpenBoxFox?

Finding refurbished deals is time-consuming — you'd have to check Amazon Warehouse, Reebelo, Dyson Outlet, and others separately for Walker products. OpenBoxFox aggregates these listings in one place, so you can compare and find the best deal without the legwork. We update pricing daily so you always see current availability and real savings.

Is it safe to buy refurbished?

Yes. Products listed on OpenBoxFox come from established retailers like Amazon, Reebelo, and Dyson — not unknown third-party sellers. Each retailer has buyer protection policies, return windows, and in some cases warranties. You get the price advantage of used goods with the purchase security of a known retailer.