Walker 21432 Exhaust Muffler
OE Quality 60-Day Returns
Walker
 Quiet-Flow SS

Walker 21432 Exhaust Muffler

Brand Walker 21432
Universal Or Specific Fit Specific
Shape Oval
Grade Type Regular
Body Width 11
Inlet Quantity 1
Outlet Inside Diameter 2.25
Outlet Quantity 1
Reversible No
Tunable No
Overall Length 30.125
Body Height 5.5
Body Length 25
Body Material Stainless steel
Finish Aluminized
Inlet 1 Type 2 bolt welded flange
Inlet Configuration Center
Inlet Type 2 bolt welded flange
Muffler Type Combination
Outlet 1 Inside Diameter 2.25
Outlet 1 Type Pipe connection
Outlet Configuration Offset
Outlet Type Pipe connection
Product line Quiet-Flow SS
Fits Jeep · 13 vehicles

100% stainless steel. Built for corrosion resistance and long service life.

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

OE-style sound. Delivers a refined exhaust note without excess drone.

Cross-references AP Exhaust 18168 and 2117 for the same application. See all 2.

$134.61Free shipping
Out of stock
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 $134.61
Free shipping to the continental U.S.
Free returns within 60 days if it doesn't fit when fitment is verified.
Not what you need? See all Exhaust Muffler options

Walker Quiet-Flow SS Muffler for Jeep Liberty

Walker Quiet-Flow SS muffler Part Number 21432 is a specific-fit exhaust muffler for the 2002-2007 Jeep Liberty. It combines stainless-steel body construction with an OE-style sound profile and a precision-fit layout for direct replacement service.

Key Features

  • Specific-fit exhaust muffler for 2002-2007 Jeep Liberty
  • Oval muffler body with a 30.125-inch overall length
  • 100% stainless-steel body construction for corrosion resistance
  • 2.25-inch inlet and 2.25-inch outlet sizing
  • Center inlet and offset outlet configuration
  • 2-bolt welded flange inlet with pipe connection outlet
  • Walker Quiet-Flow SS product line for OE-style sound and fit

Product Details

The Walker Quiet-Flow SS line is built for drivers who want a direct-fit exhaust muffler with stainless-steel construction and controlled exhaust tone. This Walker 21432 muffler uses an oval body design, measures 25 inches in body length, 11 inches in body width, and 5.5 inches in body height, and is configured for a center inlet with an offset outlet. It is a combination muffler with a 2.25-inch inlet and outlet diameter, making it a practical replacement for Jeep Liberty exhaust service where fitment and sound quality matter.

Fits 2002-2007 Jeep Liberty, N/A. This part cross-references AP Exhaust 18168 for the same application.

Common Issues This Muffler Can Address

  • Exhaust noise from a worn or rusted muffler
  • Corrosion-related muffler failure on the Jeep Liberty exhaust system
  • Poor exhaust tone after replacement with an incorrect-fit part
  • Fitment problems when replacing a welded assembly with the wrong configuration
  • Restricted exhaust flow caused by internal muffler deterioration

Installation Notes and Tips

Verify inlet and outlet orientation before installation, since this muffler uses a center inlet and offset outlet layout. Confirm the 2-bolt welded flange connection at the inlet and the pipe connection outlet match the vehicle’s exhaust configuration. If the original system is a welded assembly, replace all required parts during service to maintain proper alignment and sealing. Fits 2002-2007 Jeep Liberty, N/A, and Part Number 21432 should be matched to the vehicle’s exhaust routing before installation.

Quality Assurance

Walker Quiet-Flow SS mufflers are built with stainless-steel construction and OE-style sound characteristics for broad-market domestic and import applications. Part Number 21432 is engineered as a specific-fit replacement for the listed Jeep Liberty years.

Related reading

This part fits 13 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodelLitersCylindersFuel TypePositionNotes
2007JeepLiberty—3.7LV6—N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2006JeepLiberty—2.8LL4DIESELN/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2006JeepLiberty—3.7LV6—N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2005JeepLiberty—2.8LL4DIESELN/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2005JeepLiberty—3.7LV6—N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2005JeepLibertySport2.4LL4—N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2004JeepLiberty—3.7LV6—N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2004JeepLiberty—2.4LL4—N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2003JeepLiberty—3.7LV6—N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2003JeepLiberty—2.4LL4—N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2002JeepLiberty—2.4LL4—N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2002JeepLibertyLimited3.7LV6—N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2002JeepLibertySport3.7LV6—N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
Directly replaces or cross-references 2 part numbers
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.
AP Exhaust — 181682117