Walker 21337 Exhaust Muffler
OE Quality 60-Day Returns
Walker
 Quiet-Flow SS

Walker 21337 Exhaust Muffler

Brand Walker 21337
Universal Or Specific Fit Specific
Shape Oval
Grade Type Regular
Inlet Inside Diameter 2.25
Body Width 9.75
Inlet Quantity 1
Outlet Inside Diameter 2.25
Outlet Quantity 1
Reversible No
Tunable No
Overall Length 21.5
Body Height 4.25
Body Length 18
Body Material Stainless steel
Finish Aluminized
Inlet 1 Inside Diameter 2.25
Inlet 1 Type Pipe connection
Inlet Configuration Offset
Inlet Offset 0.625
Inlet Type Pipe connection
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 · 8 vehicles

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

Precision fit. Engineered for a direct, OE-style replacement.

OE-style sound. Delivers a refined exhaust note with superior flow.

Cross-references Flosser 2248 for the same application. See all 1.

$97.33Free 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 $97.33
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 Wrangler

Walker Quiet-Flow SS muffler Part Number 21337 is a direct-fit exhaust muffler for select Jeep Wrangler applications from 1997-2000. It combines 100% stainless-steel construction with an OE-style sound profile and precision fitment for a clean replacement on the factory exhaust path.

Key Features

  • Specific-fit exhaust muffler for select Jeep Wrangler models
  • Oval muffler body with offset inlet and offset outlet configuration
  • 2.25-inch inlet and 2.25-inch outlet pipe connections
  • 100% stainless-steel body construction for corrosion resistance
  • Quiet-Flow SS product line focused on OE-style sound and fit
  • Overall length: 21.5 inches; body length: 18 inches; body width: 9.75 inches; body height: 4.25 inches
  • Aluminized finish

Product Details

Walker Quiet-Flow SS Part Number 21337 is built as a combination muffler for specific Jeep Wrangler exhaust applications. The oval body, offset inlet, and offset outlet help match factory routing, while the stainless-steel construction supports long-term durability in exhaust service. This muffler is listed for 1997-1999 Jeep Wrangler and for 2000 Jeep Wrangler built before 01/24/2000, with premium notes for the applicable vehicles.

The Quiet-Flow SS line is Walker’s stainless-steel muffler family for domestic and import vehicles, offering a direct replacement approach with controlled exhaust tone. This part cross-references Flosser 2248 for the same application.

Vehicle Fitment

  • Fits 1997-1999 Jeep Wrangler, N/A
  • Fits 2000 Jeep Wrangler, N/A, before 01/24/2000

Common Replacement Reasons

  • Rusted or perforated muffler body
  • Exhaust noise from internal baffle or packing wear
  • Restricted exhaust flow from a damaged muffler
  • Factory muffler replacement after corrosion or road damage
  • Need for an OE-style sound level on a Jeep Wrangler exhaust system

Installation Notes

Verify inlet and outlet diameter, offset configuration, and overall length before installation. This muffler uses pipe connections and is not reversible or tunable. If the vehicle has a welded exhaust assembly, replace all required related parts during service to restore proper alignment and sealing.

Quality Assurance

Walker Quiet-Flow SS mufflers are engineered with 100% stainless-steel construction and precision fitment for select applications. Part Number 21337 is part of Walker’s Quiet-Flow SS line, which is built for OE-style sound and broad-market vehicle coverage.

Related reading

This part fits 8 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersPositionNotes
2000JeepWrangler4.0LL6N/ABefore 01/24/2000; Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2000JeepWrangler2.5LL4N/ABefore 01/24/2000; Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
1999JeepWrangler4.0LL6N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
1999JeepWrangler2.5LL4N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
1998JeepWrangler4.0LL6N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
1998JeepWrangler2.5LL4N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
1997JeepWrangler4.0LL6N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
1997JeepWrangler2.5LL4N/APremium; 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.
Flosser — 2248