Walker 21544 Exhaust Muffler
OE Quality 60-Day Returns
Walker
 Quiet-Flow SS

Walker 21544 Exhaust Muffler

Brand Walker 21544
Universal Or Specific Fit Specific
Shape Oval
Grade Type Regular
Inlet Inside Diameter 2.5
Body Width 11
Inlet Quantity 1
Outlet Inside Diameter 2.25
Outlet Quantity 1
Reversible No
Tunable No
Overall Length 32
Body Height 5.5
Body Length 27
Body Material Stainless steel
Finish Aluminized
Inlet 1 Inside Diameter 2.5
Inlet 1 Type Pipe connection
Inlet Configuration Offset
Inlet Offset 3.5
Inlet Type Pipe connection
Muffler Type Combination
Outlet 1 Inside Diameter 2.25
Outlet 1 Type Pipe connection
Outlet Configuration Center
Outlet Type Pipe connection
Product line Quiet-Flow SS
Fits Jeep · 31 vehicles

100% stainless steel. Corrosion-resistant construction helps the muffler stand up to harsh exhaust conditions.

Precision fit. Engineered for a specific fit with straightforward installation and OE-style sound.

Superior flow. Combination muffler design helps exhaust move efficiently while keeping sound controlled.

Cross-references AP Exhaust 2524 for the same application. See all 1.

$116.52Free shipping
In stock · usually ships same day before 1pm CST
Step 1 — Confirm fitment
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Step 2 — Quantity
Order total $116.52
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.
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Walker Quiet-Flow SS Muffler for Jeep

Walker Quiet-Flow SS Muffler Part Number 21544 is a specific-fit exhaust muffler built for select Jeep applications. It combines stainless-steel construction with an OE-style sound profile and a precision-fit layout for 2005-2010 Jeep Grand Cherokee and 2006-2010 Jeep Commander models.

Key Features

  • Specific-fit exhaust muffler for select Jeep vehicles
  • 100% stainless-steel construction for the muffler body
  • Oval muffler shape with a combination muffler design
  • 2.5-inch offset inlet and 2.25-inch center outlet
  • Overall length: 32 inches; body length: 27 inches
  • Body dimensions: 11-inch width and 5.5-inch height
  • Walker Quiet-Flow SS product line for OE-style sound and flow
  • Part Number 21544 for application matching and catalog lookup

Detailed Description

Walker Quiet-Flow SS Muffler Part Number 21544 is engineered for direct replacement on 2005-2010 Jeep Grand Cherokee and 2006-2010 Jeep Commander applications. The oval, combination-style muffler uses a 2.5-inch pipe connection at the offset inlet and a 2.25-inch pipe connection at the center outlet, making it a fitment-specific choice for exhaust service where the original muffler configuration must be matched closely. The Quiet-Flow SS line focuses on stainless-steel construction, controlled exhaust tone, and steady flow characteristics for everyday driving.

This part cross-references AP Exhaust 2524 for the same application. If you are replacing a worn or corroded muffler on a Jeep Grand Cherokee or Jeep Commander, Part Number 21544 provides a cataloged replacement option with dimensions and inlet/outlet configuration that align with the listed vehicles.

What It Helps Address

  • Exhaust noise from a damaged or deteriorated muffler
  • Rust-related muffler failure in the exhaust system
  • Incorrect sound level after muffler replacement
  • Fitment issues when the inlet and outlet configuration must match OE layout
  • Reduced exhaust flow caused by an aging muffler core

Installation Notes and Tips

Verify the inlet and outlet sizes, offset, and center outlet layout before installation. This muffler is not reversible and is not tunable, so the vehicle’s exhaust routing should be matched to the listed configuration. For welded assemblies, replace all required parts as noted in the fitment data. Confirm clearance for the 32-inch overall length and 27-inch body length before final installation.

Quality Assurance

Walker Quiet-Flow SS mufflers are part of a stainless-steel exhaust line built around precision fit and OE-style sound characteristics. Part Number 21544 is cataloged for select Jeep Grand Cherokee and Jeep Commander applications, with fitment support for 2005-2010 Jeep Grand Cherokee and 2006-2010 Jeep Commander.

Related reading

This part fits 31 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2010JeepCommander3.7LV6N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2010JeepCommander5.7LV8N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2010JeepGrand Cherokee3.7LV6N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2010JeepGrand Cherokee5.7LV8N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2009JeepCommander3.7LV6N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2009JeepCommander4.7LV8N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2009JeepCommander5.7LV8N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2009JeepGrand Cherokee3.7LV6N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2009JeepGrand Cherokee4.7LV8N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2009JeepGrand Cherokee5.7LV8N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2008JeepCommander3.7LV6N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2008JeepCommander4.7LV8N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2008JeepCommander5.7LV8N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2008JeepGrand Cherokee3.7LV6N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2008JeepGrand Cherokee4.7LV8N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2008JeepGrand Cherokee5.7LV8N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2007JeepCommander3.7LV6N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2007JeepCommander4.7LV8N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2007JeepCommander5.7LV8N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2007JeepGrand Cherokee3.7LV6N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2007JeepGrand Cherokee4.7LV8N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2007JeepGrand Cherokee5.7LV8N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2006JeepCommander3.7LV6N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2006JeepCommander4.7LV8N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2006JeepCommander5.7LV8N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2006JeepGrand Cherokee3.7LV6N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2006JeepGrand Cherokee4.7LV8N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2006JeepGrand Cherokee5.7LV8N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2005JeepGrand Cherokee3.7LV6N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2005JeepGrand Cherokee4.7LV8N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2005JeepGrand Cherokee5.7LV8N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
Directly replaces or cross-references 1 part number
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
AP Exhaust — 2524