Walker
Quiet-Flow SS

Walker 21435 Exhaust Muffler - Right

Brand Walker 21435
Position Right
Universal Or Specific Fit Specific
Shape Oval
Grade Type Regular
Inlet Inside Diameter 2
Body Width 9.75
Inlet Quantity 1
Outlet Quantity 1
Reversible No
Tunable No
Overall Length 27.75
Body Height 4.25
Body Length 20
Body Material Stainless steel
Finish Aluminized
Inlet 1 Inside Diameter 2
Inlet 1 Type Pipe connection
Inlet Configuration Offset
Inlet Offset 2.875
Inlet Type Pipe connection
Muffler Type Combination
Outlet 1 Type 2 bolt welded flange
Outlet Configuration Center
Outlet Type 2 bolt welded flange
Product line Quiet-Flow SS
Fits Ford, Lincoln, and Mercury · 69 vehicles

100% stainless-steel construction. Resists corrosion while delivering long-lasting durability.

Precision fit. Helps make installation straightforward with an OE-style replacement.

OE-style sound. Keeps exhaust tone refined without adding harshness.

Cross-references Anchor 2407 for the same application. See all 1.

$114.07Free 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 $114.07
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 for Ford, Lincoln, Mercury

Walker Quiet-Flow SS 21435 is a specific-fit exhaust muffler built with 100% stainless-steel construction for corrosion resistance and long-term service. It is engineered for OE-style sound, precise fitment, and steady exhaust flow on select Ford Crown Victoria, Lincoln Town Car, and Mercury Grand Marquis applications.

The Quiet-Flow SS product line focuses on direct-fit replacement mufflers for domestic and import vehicles, with this oval combination muffler using a 2-inch inlet, offset inlet configuration, and center outlet with a 2-bolt welded flange.

Key Features

  • Specific-fit exhaust muffler for select rear and N/A applications
  • 100% stainless-steel body construction
  • Oval muffler shape with aluminized finish
  • 2-inch inlet inside diameter with pipe connection
  • Offset inlet and center outlet configuration
  • 2-bolt welded flange outlet connection
  • Quiet-Flow SS line tuned for OE-style exhaust sound
  • Walker part number 21435

Detailed Description

Walker Quiet-Flow SS 21435 is a replacement exhaust muffler designed around the original vehicle layout for a direct-fit installation. The stainless-steel body helps resist exhaust-system corrosion, while the oval combination design supports balanced flow and sound control. With a 27.75-inch overall length, 20-inch body length, 9.75-inch body width, and 4.25-inch body height, this muffler is sized for the listed applications and uses a 2-inch inlet with an offset inlet location.

Compatible With 2003-2011 Ford Crown Victoria, N/A; 2003-2011 Ford Crown Victoria, Right; 2003-2011 Lincoln Town Car, Right; and 2003-2011 Mercury Grand Marquis, Right. This part cross-references Anchor 2407 for the same application. Walker 21435 is a practical choice when replacing a worn or noisy muffler on a Crown Victoria, Town Car, or Grand Marquis and restoring factory-like exhaust tone.

What It Helps Address

  • Exhaust noise from a damaged or rusted muffler
  • Restricted exhaust flow caused by internal muffler deterioration
  • Fitment issues from using a non-specific replacement part
  • Corrosion-related failure in the muffler body
  • Loss of OE-style exhaust sound quality

Installation Notes and Tips

Verify inlet and outlet orientation before installation, since this muffler is not reversible and is not tunable. The outlet uses a 2-bolt welded flange, so confirm the existing exhaust connection style on the vehicle before ordering. For welded assemblies, replace all required parts as needed to complete the repair and maintain proper alignment.

Quality Assurance

Walker Quiet-Flow SS mufflers are built with stainless-steel construction and are part of Walker’s direct-fit exhaust replacement lineup. This application is listed with a limited lifetime warranty on the covered vehicle fitments.

This part fits 69 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelLitersCylindersPositionNotes
2011FordCrown Victoria—4.6LV8N/APremium; with Single Exhaust; without Limo Package; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2011FordCrown VictoriaBase4.6LV8RightPremium; with Dual Exhaust; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2011FordCrown VictoriaPolice Interceptor4.6LV8RightPremium; Limited Lifetime Warranty; without Fire Suppression System; If welded assembly, replace all required parts; Quiet-Flow SS
2011FordCrown VictoriaLX4.6LV8RightPremium; with Dual Exhaust; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2011LincolnTown Car—4.6LV8RightQuiet-Flow SS
2011MercuryGrand Marquis—4.6LV8RightPremium; with Dual Exhaust; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2011MercuryGrand Marquis—4.6LV8N/APremium; with Single Exhaust; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2010FordCrown Victoria—4.6LV8N/APremium; with Single Exhaust; without Limo Package; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2010FordCrown VictoriaBase4.6LV8RightPremium; with Dual Exhaust; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2010FordCrown VictoriaPolice Interceptor4.6LV8RightPremium; Limited Lifetime Warranty; without Fire Suppression System; If welded assembly, replace all required parts; Quiet-Flow SS
2010FordCrown VictoriaLX4.6LV8RightPremium; with Dual Exhaust; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2010LincolnTown Car—4.6LV8RightQuiet-Flow SS
2010MercuryGrand Marquis—4.6LV8RightPremium; with Dual Exhaust; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2010MercuryGrand Marquis—4.6LV8N/APremium; with Single Exhaust; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2009FordCrown Victoria—4.6LV8N/APremium; with Single Exhaust; without Limo Package; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2009FordCrown VictoriaPolice Interceptor4.6LV8RightPremium; Limited Lifetime Warranty; without Fire Suppression System; If welded assembly, replace all required parts; Quiet-Flow SS
2009FordCrown VictoriaLX4.6LV8RightPremium; with Dual Exhaust; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2009LincolnTown Car—4.6LV8RightQuiet-Flow SS
2009MercuryGrand Marquis—4.6LV8RightPremium; with Dual Exhaust; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2009MercuryGrand Marquis—4.6LV8N/APremium; with Single Exhaust; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2008FordCrown Victoria—4.6LV8N/APremium; with Single Exhaust; without Limo Package; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2008FordCrown VictoriaBase4.6LV8RightPremium; with Dual Exhaust; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2008FordCrown VictoriaPolice Interceptor4.6LV8RightPremium; Limited Lifetime Warranty; without Fire Suppression System; If welded assembly, replace all required parts; Quiet-Flow SS
2008FordCrown VictoriaLX4.6LV8RightPremium; with Dual Exhaust; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2008LincolnTown Car—4.6LV8RightQuiet-Flow SS
2008MercuryGrand Marquis—4.6LV8RightPremium; with Dual Exhaust; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2008MercuryGrand Marquis—4.6LV8N/APremium; with Single Exhaust; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2007FordCrown Victoria—4.6LV8N/APremium; with Single Exhaust; without Limo Package; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2007FordCrown VictoriaBase4.6LV8RightPremium; with Dual Exhaust; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2007FordCrown VictoriaPolice Interceptor4.6LV8RightPremium; Limited Lifetime Warranty; without Fire Suppression System; If welded assembly, replace all required parts; Quiet-Flow SS
2007FordCrown VictoriaLX4.6LV8RightPremium; with Dual Exhaust; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2007LincolnTown Car—4.6LV8RightQuiet-Flow SS
2007MercuryGrand Marquis—4.6LV8RightPremium; with Dual Exhaust; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2007MercuryGrand Marquis—4.6LV8N/APremium; with Single Exhaust; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2006FordCrown Victoria—4.6LV8N/APremium; with Single Exhaust; without Limo Package; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2006FordCrown VictoriaBase4.6LV8RightPremium; with Dual Exhaust; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2006FordCrown VictoriaPolice Interceptor4.6LV8RightPremium; Limited Lifetime Warranty; without Fire Suppression System; If welded assembly, replace all required parts; Quiet-Flow SS
2006FordCrown VictoriaLX Sport4.6LV8RightPremium; with Dual Exhaust; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2006FordCrown VictoriaLX4.6LV8RightPremium; with Dual Exhaust; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2006LincolnTown Car—4.6LV8RightQuiet-Flow SS
2006MercuryGrand Marquis—4.6LV8RightPremium; with Dual Exhaust; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2006MercuryGrand Marquis—4.6LV8N/APremium; with Single Exhaust; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2005FordCrown Victoria—4.6LV8N/APremium; with Single Exhaust; without Limo Package; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2005FordCrown VictoriaBase4.6LV8RightPremium; with Dual Exhaust; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2005FordCrown VictoriaPolice Interceptor4.6LV8RightPremium; Limited Lifetime Warranty; without Fire Suppression System; If welded assembly, replace all required parts; Quiet-Flow SS
2005FordCrown VictoriaS4.6LV8RightPremium; with Dual Exhaust; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2005FordCrown VictoriaSpecial Edition4.6LV8RightPremium; with Dual Exhaust; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2005FordCrown VictoriaLX Sport4.6LV8RightPremium; with Dual Exhaust; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2005FordCrown VictoriaLX4.6LV8RightPremium; with Dual Exhaust; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2005LincolnTown Car—4.6LV8RightQuiet-Flow SS
2005MercuryGrand Marquis—4.6LV8RightPremium; with Dual Exhaust; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2005MercuryGrand Marquis—4.6LV8N/APremium; with Single Exhaust; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2004FordCrown Victoria—4.6LV8N/APremium; with Single Exhaust; without Limo Package; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2004FordCrown VictoriaBase4.6LV8RightPremium; with Dual Exhaust; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2004FordCrown VictoriaPolice Interceptor4.6LV8RightPremium; Limited Lifetime Warranty; without Fire Suppression System; If welded assembly, replace all required parts; Quiet-Flow SS
2004FordCrown VictoriaLX Sport4.6LV8RightPremium; with Dual Exhaust; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2004FordCrown VictoriaLX4.6LV8RightPremium; with Dual Exhaust; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2004LincolnTown Car—4.6LV8RightQuiet-Flow SS
2004MercuryGrand Marquis—4.6LV8RightPremium; with Dual Exhaust; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2004MercuryGrand Marquis—4.6LV8N/APremium; with Single Exhaust; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2003FordCrown Victoria—4.6LV8N/APremium; with Single Exhaust; without Limo Package; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2003FordCrown VictoriaBase4.6LV8RightPremium; with Dual Exhaust; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2003FordCrown VictoriaPolice Interceptor4.6LV8RightPremium; Limited Lifetime Warranty; without Fire Suppression System; If welded assembly, replace all required parts; Quiet-Flow SS
2003FordCrown VictoriaLWB4.6LV8RightPremium; with Dual Exhaust; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2003FordCrown VictoriaS4.6LV8RightPremium; with Dual Exhaust; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2003FordCrown VictoriaLX4.6LV8RightPremium; with Dual Exhaust; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2003LincolnTown Car—4.6LV8RightQuiet-Flow SS
2003MercuryGrand Marquis—4.6LV8RightPremium; with Dual Exhaust; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2003MercuryGrand Marquis—4.6LV8N/APremium; with Single Exhaust; 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.
Anchor — 2407