Walker
Quiet-Flow SS

Walker 21498 Exhaust Muffler - Rear

Brand Walker 21498
Position Rear
Outlet Outside Diameter 2.5
Universal Or Specific Fit Specific
Shape Oval
Grade Type Regular
Inlet Inside Diameter 2.5
Body Width 11
Inlet Quantity 1
Outlet Quantity 1
Reversible No
Tunable No
Overall Length 20
Body Height 5.5
Body Length 13
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 Outside Diameter 2.5
Outlet 1 Type Tip
Outlet Configuration Offset
Outlet Type Tip
Product line Quiet-Flow SS
Fits Chrysler · 3 vehicles

100% stainless-steel construction. Built for lasting corrosion resistance.

Precision fit. Engineered for straightforward installation.

OE-style sound. Delivers a factory-like exhaust note.

Cross-references Autolite 2546 for the same application. See all 1.

$101.72Free 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 $101.72
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 Pacifica

Walker Quiet-Flow SS muffler Part Number 21498 is a specific-fit exhaust muffler built with 100% stainless-steel construction for durable replacement performance. It is engineered for OE-style sound, precise fitment, and steady exhaust flow on select Chrysler Pacifica rear applications.

Key Features

  • Walker Quiet-Flow SS line for OE-style exhaust replacement
  • 100% stainless-steel body material for corrosion resistance
  • Oval muffler design with combination muffler construction
  • Specific fit for select rear exhaust applications
  • 2.5-inch inlet and 2.5-inch outlet sizing
  • Offset inlet and offset outlet configuration
  • 20-inch overall length with 11-inch body width and 5.5-inch body height
  • Aluminized finish

Detailed Description

Walker Part Number 21498 is a Quiet-Flow SS exhaust muffler designed for drivers who need a direct-fit replacement with OE-style sound characteristics and consistent exhaust routing. The stainless-steel body supports long-term durability, while the offset inlet and outlet layout helps match the factory exhaust path on the rear of the vehicle. This muffler is a fit for 2004-2006 Chrysler Pacifica, rear, making it a focused solution for Pacifica exhaust service and replacement work. This part cross-references Autolite 2546 for the same application.

Common Exhaust Issues It Can Address

  • Excessive exhaust noise from a worn or damaged muffler
  • Rust-related muffler deterioration
  • Restricted exhaust flow caused by internal muffler failure
  • Fitment problems when replacing a factory-style rear muffler
  • Loss of OE-like exhaust tone after corrosion or impact damage

Installation Notes and Tips

Fits 2004-2006 Chrysler Pacifica, rear. Verify inlet and outlet orientation, pipe diameter, and overall muffler dimensions before installation. If the original exhaust uses a welded assembly, replace all required related parts during service to maintain proper alignment and sealing. Part Number 21498 should be matched to the vehicle’s rear exhaust position and factory-style pipe connection layout.

Quality Assurance

Walker Quiet-Flow SS mufflers are built with stainless-steel construction and are positioned as OE-style replacement components for domestic and import vehicles. Part Number 21498 is part of the Quiet-Flow SS product line, which focuses on fit accuracy, flow characteristics, and sound control for direct replacement use.

This part fits 3 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2006ChryslerPacifica3.5LV6RearPremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2005ChryslerPacifica3.5LV6RearPremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2004ChryslerPacifica3.5LV6RearPremium; 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.
Autolite — 2546