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Walker Quiet-Flow SS 21539 Direct Fit Exhaust Muffler 2.5" Inlet (ID) 2.5" Outlet (ID) for Ford F-150
✅ In stock
📉 Price recently dropped
C
Grade
Analysis Confidence
100%
Price verified Nov 6, 2026 5:43 PM · Prices & availability subject to change
Is This a Good Price on Amazon?
🙂 Fair Price- 🙂Verdict: Fair Price. Small discount vs history. Consider waiting for a better drop.
- 💰The price is modestly below what this product ordinarily sells for.
- 📉Pricing has not dipped this low in roughly six months, placing this offer among the better deals in that window.
- 📈The direction is downward at the moment; if that holds, an even better price may surface — though timing the market is never certain.
How We Scored This Deal
Price Competitiveness
8.06/28
Recent Value
13.84/22
Market Standing
11.23/20
Deal Strength
10/20
Momentum
10/10
📝 Product Overview
🏪 Sold by
Amazon.com
🚚 Shipping
Free Shipping
Product Details
✓COMPATIBILITY – Fits 2004-2004 Ford F-150; 2005-2005 Ford F-150; 2006-2006 Ford F-150; 2007-2007 Ford F-150; 2008-2008 Ford F-150; 2006-2006 Lincoln Mark LT; 2007-2007 Lincoln Mark LT; 2008-2008 Lincoln Mark LT
✓GET THE RIGHT PART -- Before purchasing, research to ensure that the part will fit your vehicle; enter all vehicle information (year, make, model, engine and trim) for compatibility and check qualifier notes
✓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.
⚙️ Specifications
Brand
Walker
Material
Stainless Steel
Item dimensions L x W x H
39 x 15 x 12 inches
Vehicle Service Type
Car, Truck
Item Weight
16 pounds
Configuration
Centre
Shape
Oval
Inlet Connection Size
3 inches
UPC
086387215398
Manufacturer
Tenneco (Dynomax, Walker, Thrush)
Global Trade Identification Number
00086387215398