Walker
Quiet-Flow SS

Walker 54721 Exhaust Muffler Assembly

Brand Walker 54721
Body Diameter 11
Body Height 5.5
Body Length 27
Body Material Stainless Steel
Body Width 11
Friction Material Thickness Aluminized
Grade Type Regular
Inlet 1 Inside Diameter 2.375
Inlet 1 Outside Diameter 2.38
Inlet 1 Type Pipe Connection
Inlet Configuration Offset
Inlet Inside Diameter 2.375
Inlet Outside Diameter 2.38
Inlet Type Pipe Connection
Muffler Material Stainless Steel
Muffler Shape Oval
Muffler Type Combination
Outlet 1 Outside Diameter 2.25
Outlet 1 Type 2 Bolt Welded Flange
Outlet Configuration Offset
Outlet Type 2 Bolt Welded Flange
Overall Length 45.625
Shape Oval
Product line Quiet-Flow SS
Fits Toyota · 7 vehicles

Direct-fit OE-style replacement. Installs like the original with no modifications needed.

Stainless steel construction. Helps deliver longer life than typical aluminized mufflers.

Combination muffler assembly. Oval design with pipe connection and welded flange outlets.

Cross-references AP Exhaust 40007, Bosch 16433 and 228-523 for the same application. See all 4.

$129.88Free 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 $129.88
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 Assembly

Walker Quiet-Flow SS 54721 is a direct-fit exhaust muffler assembly built for the 2006-2012 Toyota RAV4. It combines stainless-steel construction with an OE-style replacement layout to support longer service life than typical aluminized mufflers.

For drivers searching for a Toyota RAV4 muffler replacement, this Walker Quiet-Flow SS 54721 assembly matches the factory-style pipe connection and offset inlet/outlet configuration for a straightforward exhaust repair.

Key Features

  • Stainless-steel muffler body and internal construction for improved corrosion resistance
  • Direct-fit OE-style exhaust muffler assembly
  • Oval muffler shape with 11-inch body diameter
  • Offset inlet and offset outlet configuration
  • 2.375-inch inlet inside diameter with 2.38-inch outside diameter
  • 2-bolt welded flange outlet connection with 2.25-inch outside diameter
  • Overall length: 45.625 inches
  • Walker Quiet-Flow SS line for domestic and foreign vehicle applications

Product Details

Walker Quiet-Flow SS 54721 is engineered as a replacement exhaust muffler assembly for the 2006-2012 Toyota RAV4. The stainless-steel muffler material and body material help resist rust in demanding underbody conditions, while the oval, combination-style design supports factory-like exhaust routing. This part cross-references AP Exhaust 40007 and Bosch 16433 for the same application.

The Quiet-Flow SS product line focuses on direct-fit stainless-steel replacement mufflers that follow OE-style dimensions and connection points. For a Toyota RAV4 exhaust repair, Walker 54721 provides a practical option when the original muffler assembly needs replacement and the vehicle uses the listed offset inlet and welded flange outlet layout.

Common Repair Uses

  • Replacing a rusted or perforated muffler assembly
  • Restoring exhaust flow after a damaged factory muffler
  • Addressing exhaust noise from a failing muffler body
  • Repairing a leaking flange or connection point at the muffler outlet
  • Returning a 2006-2012 Toyota RAV4 exhaust system to OE-style routing

Installation Notes

Fits 2006-2012 Toyota RAV4, N/A. Verify inlet and outlet dimensions, offset configuration, and flange style before installation. If the welded assembly requires additional exhaust work, replace all required mating parts during service to ensure proper alignment and sealing. Confirm the vehicle’s existing exhaust layout matches the listed pipe connection and 2-bolt welded flange design.

Quality Assurance

Walker Quiet-Flow SS muffler assemblies are built with stainless-steel construction and OE-style fitment for long-term exhaust service. This part is backed by a limited lifetime warranty for the listed application.

This part fits 7 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2012ToyotaRAV43.5LV6N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2011ToyotaRAV43.5LV6N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2010ToyotaRAV43.5LV6N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2009ToyotaRAV43.5LV6N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2008ToyotaRAV43.5LV6N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2007ToyotaRAV43.5LV6N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2006ToyotaRAV43.5LV6N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
Directly replaces or cross-references 4 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
AP Exhaust — 40007Bosch — 16433228-523643071