Walker 54558 Exhaust Resonator and Pipe Assembly - Rear

Brand Walker 54558
Position Rear
Body 1 Height 8.875
Body 1 Length 9
Body 1 Shape Oval
Body 1 Width 4.25
Body Material Steel
Finish Aluminized
Inlet Outside Diameter 2.5
Inlet Type Pipe Connection
Muffler Body Length 9
Outlet Outside Diameter 2.5
Outlet Type Pipe Connection
Overall Length 43.625
Pipe Material Steel
Fits Ram, Dodge, and Mitsubishi · 20 vehicles

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

Steel construction. Built with steel pipe and body for durable exhaust performance.

Aluminized finish. Helps resist corrosion for longer-lasting appearance and function.

Cross-references AP Exhaust 54185 for the same application. See all 1.

$107.72Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
Free return shipping if it doesn't fit when you check fitment here first.

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Step 2 — Quantity
Order total $107.72
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Walker 54558 Exhaust Resonator and Pipe Assembly

Walker 54558 is an exhaust resonator and pipe assembly built for OE-style fit, flow, and sound control. It is engineered with precise tuning to help restore the original exhaust character on select Ram Dakota, Dodge Dakota, and Mitsubishi Raider applications.

  • 2.5 in. inlet outside diameter and 2.5 in. outlet outside diameter
  • Steel pipe and steel body construction
  • Aluminized finish for added corrosion resistance
  • Oval resonator body with 9 in. body length
  • Overall length: 43.625 in.
  • Pipe connection inlet and outlet for direct exhaust routing

OE-Style Fitment and Sound

This Walker resonator assembly is designed to match the original system’s fit, performance, and sound profile. The tuned resonator design supports smooth exhaust flow while helping maintain the factory-style tone expected on a 2005-2006 Dodge Dakota rear exhaust repair, a 2006-2007 Mitsubishi Raider rear exhaust replacement, or a 2007-2010 Dodge Dakota exhaust service. It also fits the 2007-2009 Mitsubishi Raider and the 2011 Ram Dakota.

This part cross-references AP Exhaust 54185 for the same application. Walker 54558 is a practical choice when replacing a worn resonator and pipe assembly on Dakota and Raider exhaust systems.

Common Problems This Part Addresses

  • Exhaust noise that has become louder or harsher than stock
  • Rust or corrosion in the resonator and pipe section
  • Cracked or damaged exhaust tubing
  • Loss of OE-style exhaust tone after system wear
  • Restricted exhaust flow caused by a deteriorated resonator assembly

Installation Notes and Tips

Verify inlet and outlet diameter, overall length, and body dimensions before installation. This assembly uses pipe connections at both ends, so alignment with the existing exhaust routing is important. Confirm the vehicle position listed for your application: Fits 2005-2006 Dodge Dakota, Rear; Fits 2006-2007 Mitsubishi Raider, Rear; Fits 2007-2010 Dodge Dakota, N/A; Fits 2007-2009 Mitsubishi Raider, N/A; Fits 2011 Ram Dakota, N/A.

Quality Assurance

Walker designs this resonator assembly to follow original-system tuning principles and OE-style sound characteristics. The aluminized steel construction and application-specific dimensions support consistent replacement quality for select Dakota and Raider exhaust repairs.

This part fits 20 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2011RamDakota3.7LV6N/A—
2011RamDakota4.7LV8N/A—
2010DodgeDakota4.7LV8N/A—
2010DodgeDakota3.7LV6N/A—
2009DodgeDakota4.7LV8N/A—
2009DodgeDakota3.7LV6N/A—
2009MitsubishiRaider3.7LV6N/A—
2008DodgeDakota4.7LV8N/A—
2008DodgeDakota3.7LV6N/A—
2008MitsubishiRaider3.7LV6N/A—
2007DodgeDakota4.7LV8N/A—
2007DodgeDakota3.7LV6N/A—
2007MitsubishiRaider3.7LV6Rear—
2007MitsubishiRaider4.7LV8N/A—
2006DodgeDakota4.7LV8Rear—
2006DodgeDakota3.7LV6Rear—
2006MitsubishiRaider3.7LV6Rear—
2006MitsubishiRaider4.7LV8Rear—
2005DodgeDakota4.7LV8Rear—
2005DodgeDakota3.7LV6Rear—
Directly replaces or cross-references 1 part number
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
AP Exhaust — 54185