Walker
Quiet-Flow SS

Walker 53707 Exhaust Muffler Assembly - Front

Brand Walker 53707
Position Front
Body Diameter 11
Body Height 5.5
Body Length 19
Body Material Stainless Steel
Body Width 11
Friction Material Thickness Aluminized
Grade Type Regular
Inlet 1 Inside Diameter 3.285
Inlet 1 Type 2 Bolt Loose Flange With Spherical Flare
Inlet Configuration Offset
Inlet Inside Diameter 3.285
Inlet Type 2 Bolt Loose Flange With Spherical Flare
Muffler Material Stainless Steel
Muffler Shape Oval
Muffler Type Combination
Outlet 1 Outside Diameter 2.5
Outlet 1 Type Pipe Connection
Outlet Configuration Center
Outlet Type Pipe Connection
Overall Length 30.5
Shape Oval
Product line Quiet-Flow SS
Fits Ford and Mercury · 10 vehicles

Direct-fit OE-style replacement. Installs like the original muffler assembly with no modifications needed.

Stainless steel construction. Helps deliver longer life than typical aluminized mufflers.

Quiet-Flow SS design. Combines a muffler assembly with a pipe connection outlet.

Cross-references 6L2Z5230BJ and 7L2Z5230B for the same application. See all 2.

$123.78Free shipping
In stock · usually ships same day before 1pm CST
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Order total $123.78
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Free returns within 60 days if it doesn't fit when fitment is verified.

Walker Quiet-Flow SS Muffler Assembly

Walker Quiet-Flow SS 53707 is a direct-fit exhaust muffler assembly for select Ford Explorer and Mercury Mountaineer applications. It combines stainless-steel construction with an OE-style replacement layout to support longer service life than typical aluminized mufflers.

The Quiet-Flow SS product line is built for drivers who want a replacement muffler assembly that follows factory-style fitment and exhaust routing. For 2006-2010 Ford Explorer front exhaust service and 2006-2010 Mercury Mountaineer applications, this part number 53707 is built around the original configuration.

Key Features

  • Walker Quiet-Flow SS line direct-fit muffler assembly
  • Stainless-steel muffler and body construction
  • Oval muffler shape with regular grade type
  • Offset inlet and center outlet layout
  • 2-bolt loose flange inlet with spherical flare
  • 3.285-inch inlet inside diameter
  • 2.5-inch outlet outside diameter
  • Overall length: 30.5 inches
  • Body dimensions: 11-inch diameter, 11-inch width, 5.5-inch height, 19-inch length
  • Aluminized finish

Detailed Description

Walker 53707 is an exhaust muffler assembly engineered as an OE-style replacement for select Ford Explorer and Mercury Mountaineer vehicles. The stainless-steel body and muffler construction are intended to provide improved durability compared with standard aluminized mufflers, while the offset inlet and center outlet configuration supports factory-style exhaust routing. This part number 53707 is a practical choice when replacing a worn or damaged rear exhaust section on 2006-2010 Ford Explorer front applications or 2006-2010 Mercury Mountaineer vehicles.

This part cross-references Monroe Shocks & Struts (e.g., 172286, 182286) for the same application.

Common Problems This Part Can Address

  • Rust-through or corrosion in the muffler assembly
  • Exhaust noise from a damaged internal muffler structure
  • Factory exhaust fitment issues after prior repairs
  • Leaks at the inlet flange connection
  • Restricted exhaust flow caused by a deteriorated muffler

Installation Notes and Tips

Confirm the inlet and outlet configuration before installation, especially the 2-bolt loose flange with spherical flare inlet and center pipe outlet. For welded assembly applications, replace all required related exhaust parts as needed to restore proper alignment and sealing. Verify vehicle-specific fitment for 2006-2010 Ford Explorer front and 2006-2010 Mercury Mountaineer before installation.

Quality Assurance

Walker Quiet-Flow SS muffler assemblies are built with stainless-steel construction and OE-style fitment for domestic and foreign vehicles. Part number 53707 is part of the Quiet-Flow SS line, which is positioned for longer service life than typical aluminized mufflers.

This part fits 10 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2010FordExplorer4.6LV8FrontPremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2010MercuryMountaineer4.6LV8N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2009FordExplorer4.6LV8FrontPremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2009MercuryMountaineer4.6LV8N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2008FordExplorer4.6LV8FrontPremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2008MercuryMountaineer4.6LV8N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2007FordExplorer4.6LV8FrontPremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2007MercuryMountaineer4.6LV8N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2006FordExplorer4.6LV8FrontPremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2006MercuryMountaineer4.6LV8N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
6L2Z5230BJ7L2Z5230B