Walker 21564 Exhaust Muffler
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Walker
 Quiet-Flow SS

Walker 21564 Exhaust Muffler

Brand Walker 21564
Universal Or Specific Fit Specific
Shape Oval
Grade Type Regular
Inlet Inside Diameter 2
Body Width 9
Inlet Quantity 1
Outlet Inside Diameter 2
Outlet Quantity 1
Reversible No
Tunable No
Overall Length 22.5
Body Height 7
Body Length 19
Body Material Stainless steel
Finish Aluminized
Inlet 1 Inside Diameter 2
Inlet 1 Type Pipe connection
Inlet Configuration Offset
Inlet Offset 2.625
Inlet Type Pipe connection
Muffler Type Combination
Outlet 1 Inside Diameter 2
Outlet 1 Type Pipe connection
Outlet Configuration Offset
Outlet Type Pipe connection
Product line Quiet-Flow SS
Fits Ford and Mazda · 36 vehicles

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

Precision fit. Helps simplify installation with an OE-style replacement design.

OE-style sound. Delivers a quieter exhaust note without changing the muffler type.

Cross-references Anchor 2436, AP Exhaust 700467 and BRExhaust 284-626 for the same application. See all 9.

$99.69Free shipping
In stock · usually ships same day before 1pm CST
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Order total $99.69
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 Ranger and Mazda Trucks

Walker Quiet-Flow SS muffler part number 21564 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 Ford Ranger and Mazda B-Series applications.

Key Features

  • Walker Quiet-Flow SS line for OE-style exhaust sound and fit
  • 100% stainless-steel body construction
  • Oval muffler design with 2-inch inlet and 2-inch outlet
  • Offset inlet and offset outlet pipe connection layout
  • Combination muffler type for select factory-style exhaust configurations
  • Specific fit for 2004-2011 Ford Ranger, 2005-2009 Mazda B2300, 2004-2009 Mazda B4000, and 2004-2007 Mazda B3000

Product Details

The Walker Quiet-Flow SS brand line is built for drivers who want a direct-fit replacement muffler with a factory-oriented sound profile and stainless-steel durability. Part number 21564 uses an oval body measuring 22.5 inches overall, with a 19-inch body length, 9-inch body width, and 7-inch body height. The 2-inch inlet and outlet sizes, along with the offset pipe connection layout, make it a fitment-specific solution for the listed Ford Ranger and Mazda truck applications. This part cross-references Walker Exhaust 53723 for the same application.

Common Problems It Can Address

  • Exhaust noise from a worn or rusted muffler
  • Reduced exhaust flow caused by internal muffler deterioration
  • Fitment issues when replacing a factory-style muffler
  • Corrosion concerns in vehicles that need stainless-steel construction
  • Restoring OE-style exhaust tone on Ranger and Mazda B-Series trucks

Installation Notes

Fits 2004-2011 Ford Ranger, N/A. Fits 2005-2009 Mazda B2300, N/A. Fits 2004-2009 Mazda B4000, N/A. Fits 2004-2007 Mazda B3000, N/A. Verify inlet and outlet orientation, offset dimensions, and pipe diameter before installation. If the vehicle uses a welded exhaust assembly, replace all required related parts during service to maintain proper alignment and sealing.

Quality Assurance

Walker Quiet-Flow SS mufflers are positioned as precision-fit replacement parts with stainless-steel construction and OE-style sound characteristics. Part number 21564 is part of Walker’s Quiet-Flow SS line, which is offered for a broad range of domestic and import vehicles.

Related reading

This part fits 36 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersWheel BasePositionNotes
2011FordRanger2.3LL4111.6"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2011FordRanger4.0LV6—N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2010FordRanger2.3LL4111.5"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2010FordRanger4.0LV6—N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2009FordRanger2.3LL4111.5"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2009FordRanger4.0LV6—N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2009MazdaB23002.3LL4—N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2009MazdaB40004.0LV6125.9"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2008FordRanger2.3LL4111.6"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2008FordRanger4.0LV6—N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2008FordRanger3.0LV6—N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2008MazdaB23002.3LL4—N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2008MazdaB40004.0LV6125.9"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2007FordRanger2.3LL4111.6"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2007FordRanger4.0LV6—N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2007FordRanger3.0LV6—N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2007MazdaB23002.3LL4—N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2007MazdaB30003.0LV6—N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2007MazdaB40004.0LV6125.9"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2006FordRanger2.3LL4111.6"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2006FordRanger3.0LV6—N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2006FordRanger4.0LV6—N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2006MazdaB23002.3LL4—N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2006MazdaB30003.0LV6—N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2006MazdaB40004.0LV6125.9"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2005FordRanger2.3LL4111.5"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2005FordRanger3.0LV6—N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2005FordRanger4.0LV6—N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2005MazdaB23002.3LL4111.6"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2005MazdaB30003.0LV6—N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2005MazdaB40004.0LV6125.9"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2004FordRanger2.3LL4111.6"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2004FordRanger3.0LV6—N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2004FordRanger4.0LV6—N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2004MazdaB30003.0LV6—N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2004MazdaB40004.0LV6125.9"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
Directly replaces or cross-references 9 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
Anchor — 2436AP Exhaust — 700467BRExhaust — 284-626Gates — 52454MAHLE — 54700Walker Exhaust — 53723293-017293-019293-021