Walker 55358 Exhaust Resonator and Pipe Assembly

Brand Walker 55358
Body 1 Height 4
Body 1 Length 11.25
Body 1 Shape Round
Body 1 Width 4
Body Material Steel
Finish Aluminized
Inlet Outside Diameter 2.25
Inlet Type Pipe Connection
Muffler Body Length 11.25
Outlet Outside Diameter 2.5
Outlet Type Tip
Overall Length 48
Pipe Material Steel
Fits Ford · 5 vehicles

OE-style sound. Precise tuning delivers the original system's tone and flow characteristics.

Steel construction. Aluminized finish helps resist corrosion for lasting performance.

Resonator and pipe assembly. Combines resonator and piping in one exhaust component.

Cross-references AP Exhaust 54171 for the same application. See all 1.

$106.20Free shipping
In stock · usually ships same day before 1pm CST
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Order total $106.20
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Free returns within 60 days if it doesn't fit when fitment is verified.

Walker 55358 Exhaust Resonator and Pipe Assembly

Walker 55358 is an exhaust resonator and pipe assembly built for OE-style fit, sound, and flow. It is made with steel construction and an aluminized finish for a factory-style replacement on the 2001-2005 Ford Explorer Sport Trac.

Key Features

  • Fits 2001-2005 Ford Explorer Sport Trac, N/A
  • 2.25-inch inlet outside diameter and 2.5-inch outlet outside diameter
  • Steel pipe and steel body construction
  • Aluminized finish for corrosion resistance
  • Round resonator body with 11.25-inch body length
  • 48-inch overall length for direct exhaust routing
  • Single pipe connection inlet and single tip outlet

Detailed Description

Walker 55358 is engineered to match the original exhaust system’s fitment, flow characteristics, and sound profile. The resonator body measures 11.25 inches long with a round 4-inch by 4-inch profile, and the assembly uses a steel pipe and steel body for a durable replacement layout. This part cross-references AP Exhaust 54171 for the same application. For owners searching for a Walker 55358 exhaust resonator and pipe assembly for a 2001-2005 Ford Explorer Sport Trac, this OE-style design supports a direct replacement approach without changing the factory exhaust character.

What It Helps Address

  • Exhaust noise that has become louder or harsher than factory levels
  • Damaged or rusted resonator and pipe sections
  • Restricted exhaust flow caused by deterioration in the original assembly
  • Fitment issues when replacing a welded factory exhaust section
  • Loss of OE-style exhaust tone on a Ford Explorer Sport Trac

Installation Notes and Tips

Compatible With 2001-2005 Ford Explorer Sport Trac, N/A. If the original system is welded, replace all required exhaust sections during service to restore proper alignment and sealing. Verify inlet and outlet diameters before installation, and confirm the routing matches the factory exhaust layout for the vehicle.

Quality Assurance

Walker designs this resonator assembly to fit, perform, and sound like the original system, using precise tuning methods to support OE-style exhaust behavior. Part number 55358 is built as a direct replacement option for drivers maintaining the factory exhaust setup on the Ford Explorer Sport Trac.

This part fits 5 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2005FordExplorer Sport Trac4.0LV6N/AIf welded assembly, replace all required parts
2004FordExplorer Sport Trac4.0LV6N/AIf welded assembly, replace all required parts
2003FordExplorer Sport Trac4.0LV6N/AIf welded assembly, replace all required parts
2002FordExplorer Sport Trac4.0LV6N/AIf welded assembly, replace all required parts
2001FordExplorer Sport Trac4.0LV6N/AIf welded assembly, replace all required parts
Directly replaces or cross-references 1 part number
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
AP Exhaust — 54171