Walker
Quiet-Flow SS

Walker 21548 Exhaust Muffler - Front

Brand Walker 21548
Position Front
Universal Or Specific Fit Specific
Shape Oval
Grade Type Regular
Inlet Inside Diameter 2.5
Body Width 8.813
Inlet Quantity 1
Outlet Inside Diameter 2.5
Outlet Quantity 1
Reversible No
Tunable No
Overall Length 20
Body Height 4.25
Body Length 16
Body Material Stainless steel
Finish Aluminized
Inlet 1 Inside Diameter 2.5
Inlet 1 Type Pipe connection
Inlet Configuration Offset
Inlet Offset 2.625
Inlet Type Pipe connection
Muffler Type Combination
Outlet 1 Inside Diameter 2.5
Outlet 1 Type Pipe connection
Outlet Configuration Offset
Outlet Type Pipe connection
Product line Quiet-Flow SS
Fits Chrysler and Dodge · 45 vehicles

100% stainless-steel construction. Resists corrosion for long-lasting exhaust performance.

Precision fit. Installs cleanly with OE-style sound and superior flow.

Oval combination design. Delivers a balanced muffler layout for efficient exhaust flow.

Cross-references AP Exhaust 2505 for the same application. See all 1.

$72.39Free 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.

Select your vehicle to confirm fitment
Verify this part fits before purchasing — free returns if it doesn't
Step 2 — Quantity
Order total $72.39
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.

Walker Quiet-Flow SS Muffler Overview

Walker Quiet-Flow SS muffler Part Number 21548 is a specific-fit exhaust muffler built with stainless-steel body construction and an aluminized finish. It is engineered for OE-style sound, precise fitment, and steady exhaust flow on select Chrysler 300, Dodge Charger, and Dodge Magnum applications.

The Quiet-Flow SS line focuses on direct-fit replacement coverage for domestic and import vehicles, making it a practical choice for drivers replacing a worn front muffler on a factory-style exhaust system.

Key Features

  • Specific-fit exhaust muffler for select vehicle applications
  • Oval muffler body with offset inlet and offset outlet configuration
  • 2.5-inch inlet and 2.5-inch outlet pipe connection
  • Stainless steel body material with aluminized finish
  • Combination muffler design for OE-style sound control
  • Overall length: 20 inches; body length: 16 inches; body height: 4.25 inches
  • Walker Quiet-Flow SS Part Number 21548

Product Details

Walker Quiet-Flow SS Part Number 21548 is designed for front-position exhaust service on select Chrysler 300, Dodge Charger, and Dodge Magnum models. The oval body measures 8.813 inches wide and uses a 2.625-inch inlet offset with pipe connection ends for a direct replacement layout. This muffler is built to support factory-style exhaust tone while maintaining consistent flow through the system.

The Quiet-Flow SS product line is Walker’s stainless-steel muffler family for broad-market replacement coverage. For buyers searching for a 2005-2010 Chrysler 300 front muffler, a 2006-2010 Dodge Charger front muffler, or a 2005-2008 Dodge Magnum front muffler, Part Number 21548 matches the listed fitment and configuration.

This part cross-references AP Exhaust 2505 for the same application.

Common Replacement Reasons

  • Corrosion or rust damage in the original muffler body
  • Exhaust noise increase from a failing internal muffler structure
  • Restricted exhaust flow caused by internal deterioration
  • Fitment issues after replacing a factory front muffler assembly
  • Need for an OE-style sound level on Chrysler 300, Dodge Charger, or Dodge Magnum

Installation Notes

Fits 2005-2010 Chrysler 300, front. Fits 2006-2010 Dodge Charger, front. Fits 2005-2008 Dodge Magnum, front. Review the vehicle’s exhaust layout before installation, especially if the original system is welded. Some applications may require modifications or additional parts, and welded assemblies may require replacement of all required exhaust components to complete the repair correctly.

Quality Assurance

Walker Quiet-Flow SS mufflers are built with 100% stainless-steel construction and are designed for precision fit, controlled exhaust flow, and OE-style sound characteristics. Part Number 21548 is part of Walker’s Quiet-Flow SS line for direct replacement use on select domestic applications.

This part fits 45 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelLitersCylindersPositionNotes
2010Chrysler300—3.5LV6FrontPremium; Limited Lifetime Warranty; If welded assembly, modifications and/or additional parts may be required.; Quiet-Flow SS
2010Chrysler300—2.7LV6FrontPremium; Limited Lifetime Warranty; If welded assembly, modifications and/or additional parts may be required.; Quiet-Flow SS
2010Chrysler300—5.7LV8FrontPremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2010DodgeCharger—2.7LV6FrontPremium; Limited Lifetime Warranty; If welded assembly, modifications and/or additional parts may be required.; Quiet-Flow SS
2010DodgeCharger—3.5LV6FrontPremium; Limited Lifetime Warranty; If welded assembly, modifications and/or additional parts may be required.; Quiet-Flow SS
2010DodgeChargerR/T5.7LV8FrontPremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2009Chrysler300—3.5LV6FrontPremium; Limited Lifetime Warranty; If welded assembly, modifications and/or additional parts may be required.; Quiet-Flow SS
2009Chrysler300—2.7LV6FrontPremium; Limited Lifetime Warranty; If welded assembly, modifications and/or additional parts may be required.; Quiet-Flow SS
2009Chrysler300—5.7LV8FrontPremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2009DodgeCharger—2.7LV6FrontPremium; Limited Lifetime Warranty; If welded assembly, modifications and/or additional parts may be required.; Quiet-Flow SS
2009DodgeCharger—3.5LV6FrontPremium; Limited Lifetime Warranty; If welded assembly, modifications and/or additional parts may be required.; Quiet-Flow SS
2009DodgeChargerR/T5.7LV8FrontPremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2008Chrysler300—3.5LV6FrontPremium; Limited Lifetime Warranty; If welded assembly, modifications and/or additional parts may be required.; Quiet-Flow SS
2008Chrysler300—2.7LV6FrontPremium; Limited Lifetime Warranty; If welded assembly, modifications and/or additional parts may be required.; Quiet-Flow SS
2008Chrysler300—5.7LV8FrontPremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2008DodgeCharger—2.7LV6FrontPremium; Limited Lifetime Warranty; If welded assembly, modifications and/or additional parts may be required.; Quiet-Flow SS
2008DodgeCharger—3.5LV6FrontPremium; Limited Lifetime Warranty; If welded assembly, modifications and/or additional parts may be required.; Quiet-Flow SS
2008DodgeChargerR/T5.7LV8FrontPremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2008DodgeMagnum—5.7LV8FrontPremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2008DodgeMagnum—3.5LV6FrontPremium; Limited Lifetime Warranty; If welded assembly, modifications and/or additional parts may be required.; Quiet-Flow SS
2008DodgeMagnum—2.7LV6FrontPremium; Limited Lifetime Warranty; If welded assembly, modifications and/or additional parts may be required.; Quiet-Flow SS
2007Chrysler300—3.5LV6FrontPremium; Limited Lifetime Warranty; If welded assembly, modifications and/or additional parts may be required.; Quiet-Flow SS
2007Chrysler300—2.7LV6FrontPremium; Limited Lifetime Warranty; If welded assembly, modifications and/or additional parts may be required.; Quiet-Flow SS
2007Chrysler300—5.7LV8FrontPremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2007DodgeCharger—2.7LV6FrontPremium; Limited Lifetime Warranty; If welded assembly, modifications and/or additional parts may be required.; Quiet-Flow SS
2007DodgeCharger—3.5LV6FrontPremium; Limited Lifetime Warranty; If welded assembly, modifications and/or additional parts may be required.; Quiet-Flow SS
2007DodgeChargerR/T5.7LV8FrontPremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2007DodgeMagnum—5.7LV8FrontPremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2007DodgeMagnum—3.5LV6FrontPremium; Limited Lifetime Warranty; If welded assembly, modifications and/or additional parts may be required.; Quiet-Flow SS
2007DodgeMagnum—2.7LV6FrontPremium; Limited Lifetime Warranty; If welded assembly, modifications and/or additional parts may be required.; Quiet-Flow SS
2006Chrysler300—3.5LV6FrontPremium; Limited Lifetime Warranty; If welded assembly, modifications and/or additional parts may be required.; Quiet-Flow SS
2006Chrysler300—2.7LV6FrontPremium; Limited Lifetime Warranty; If welded assembly, modifications and/or additional parts may be required.; Quiet-Flow SS
2006Chrysler300—5.7LV8FrontPremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2006DodgeCharger—2.7LV6FrontPremium; Limited Lifetime Warranty; If welded assembly, modifications and/or additional parts may be required.; Quiet-Flow SS
2006DodgeCharger—3.5LV6FrontPremium; Limited Lifetime Warranty; If welded assembly, modifications and/or additional parts may be required.; Quiet-Flow SS
2006DodgeChargerR/T5.7LV8FrontPremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2006DodgeMagnum—5.7LV8FrontPremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2006DodgeMagnum—3.5LV6FrontPremium; Limited Lifetime Warranty; If welded assembly, modifications and/or additional parts may be required.; Quiet-Flow SS
2006DodgeMagnum—2.7LV6FrontPremium; Limited Lifetime Warranty; If welded assembly, modifications and/or additional parts may be required.; Quiet-Flow SS
2005Chrysler300—3.5LV6FrontPremium; Limited Lifetime Warranty; If welded assembly, modifications and/or additional parts may be required.; Quiet-Flow SS
2005Chrysler300—2.7LV6FrontPremium; Limited Lifetime Warranty; If welded assembly, modifications and/or additional parts may be required.; Quiet-Flow SS
2005Chrysler300—5.7LV8FrontPremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2005DodgeMagnum—5.7LV8FrontPremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2005DodgeMagnum—3.5LV6FrontPremium; Limited Lifetime Warranty; If welded assembly, modifications and/or additional parts may be required.; Quiet-Flow SS
2005DodgeMagnum—2.7LV6FrontPremium; Limited Lifetime Warranty; If welded assembly, modifications and/or additional parts may be required.; 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 — 2505