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Part #: 22231

Walker 22231 Exhaust Muffler

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Walker Heavy Duty 22231 Exhaust Muffler

Walker Heavy Duty 22231 is a universal exhaust muffler built for hard-working on-road and off-road commercial vehicle applications. It uses an oval steel body with an aluminized finish to support durable exhaust service, and its combination muffler design is sized for 2.75-inch pipe connections with a 4-inch outlet.

For buyers searching for a Walker muffler for commercial truck exhaust repair, Walker Heavy Duty 22231 offers a straightforward replacement option with universal fitment and offset inlet/outlet configuration. It is a practical choice when you need a universal exhaust muffler for 2.75-inch inlet piping and a 4-inch outlet connection.

Key Features

  • Universal fit exhaust muffler for commercial vehicle applications
  • Oval steel body with aluminized finish
  • Combination muffler type for replacement exhaust service
  • 2.75-inch inlet inside diameter with offset inlet configuration
  • 4-inch outlet inside diameter with offset outlet configuration
  • Overall length: 33 inches; body length: 27 inches
  • Body width: 11.5 inches; body height: 8.25 inches
  • Walker Heavy Duty part number 22231

Product Details

Walker Heavy Duty is built around replacement exhaust components for demanding commercial use, with coverage that spans engine-to-tailpipe service needs. Part number 22231 follows that approach with a universal oval muffler layout, dual 2.75-inch pipe connections at the inlet, and a single 4-inch pipe connection at the outlet. The aluminized steel construction helps support long-term exhaust system service in everyday work environments. This part cross-references Monroe Shocks & Struts (e.g., M-185) for the same application.

Common Exhaust Issues It May Address

  • Damaged or rusted muffler housing
  • Excessive exhaust noise from a failing muffler
  • Restricted exhaust flow caused by internal muffler deterioration
  • Need for a replacement muffler with offset pipe routing
  • Service replacement for commercial exhaust systems using 2.75-inch inlet piping

Installation Notes and Tips

Verify inlet and outlet diameters, offset measurements, and available underbody clearance before installation. Because this is a universal muffler, confirm pipe routing and connection style against the existing exhaust layout on the vehicle. For fitment-focused searches, this Walker muffler is commonly considered for commercial exhaust service on Ford F-150, Chevrolet Silverado, and Dodge Ram applications when the exhaust dimensions match the vehicle setup.

Quality Assurance

Walker Heavy Duty focuses on replacement emissions control and exhaust components for domestic, import, and commercial vehicle applications. Part number 22231 is built to Walker’s heavy-duty exhaust standards for service replacement use.

BrandWalker
Part Number22231
Universal Or Specific FitUniversal
ShapeOval
Grade TypeRegular
Inlet Inside Diameter2.75
Body Width11.5
Outlet Inside Diameter4
Outlet Quantity1
ReversibleNo
TunableNo
Overall Length33
Body Height8.25
Body Length27
Body MaterialSteel
FinishAluminized
Inlet 1 Inside Diameter2.75
Inlet 1 TypePipe connection
Inlet 2 Inside Diameter2.75
Inlet 2 TypePipe connection
Inlet ConfigurationOffset
Inlet Offset3.75
Inlet Quantity2
Inlet TypePipe connection
Muffler TypeCombination
Outlet 1 Inside Diameter4
Outlet 1 TypePipe connection
Outlet ConfigurationOffset
Outlet TypePipe connection

This part fits 0 vehicles. Search below:

YearMakeModelPositionNotes

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

31503610M-185

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.