Walker
Quiet-Flow SS

Walker 21368 Exhaust Muffler

Brand Walker 21368
Universal Or Specific Fit Specific
Shape Oval
Grade Type Regular
Body Width 9
Inlet Quantity 1
Outlet Quantity 1
Reversible No
Tunable No
Overall Length 38.75
Body Height 7
Body Length 21
Body Material Stainless steel
Finish Aluminized
Inlet 1 Type 2 bolt welded flange
Inlet Configuration Offset
Inlet Offset 2.625
Inlet Type 2 bolt welded flange
Muffler Type Combination
Outlet 1 Outside Diameter 2.75
Outlet 1 Type Pipe connection
Outlet Configuration Offset
Outlet Outside Diameter 2.75
Outlet Type Pipe connection
Product line Quiet-Flow SS
Fits Chevrolet and GMC · 46 vehicles

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

Precision fit. Engineered for straightforward installation.

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

Cross-references Anchor 2429 for the same application. See all 1.

$191.25Free 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 $191.25
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 Overview

Walker Quiet-Flow SS muffler Part Number 21368 is a specific-fit exhaust muffler built for select Chevrolet Express and GMC Savana vans. It uses 100% stainless-steel body construction for corrosion resistance, along with an OE-style sound profile and precision fitment for direct replacement service.

The Quiet-Flow SS line focuses on stainless construction, controlled exhaust flow, and factory-like acoustics. For buyers searching for a stainless steel muffler for 2000-2002 Chevrolet Express 1500 or GMC Savana 2500, this part number 21368 matches the application details below.

Key Features

  • Specific-fit exhaust muffler for select domestic vans
  • 100% stainless-steel body construction
  • Oval muffler shape with combination muffler design
  • Offset inlet and offset outlet layout
  • 2-bolt welded flange inlet connection
  • 2.75-inch outlet pipe connection
  • OE-style sound characteristics
  • Walker Quiet-Flow SS product line

Detailed Product Description

Walker 21368 is an exhaust muffler engineered for direct-fit replacement on select 1998-2002 Chevrolet Express and GMC Savana applications. The oval body measures 21 inches long, 7 inches high, and 9 inches wide, with an overall length of 38.75 inches. Its stainless-steel body material supports long-term durability in exhaust service, while the aluminized finish is used on the exterior surface.

This muffler uses a single inlet and single outlet with offset configuration, a 2-bolt welded flange inlet, and a 2.75-inch outlet diameter. It is a practical choice for drivers looking for a replacement muffler for Chevrolet Express 1500, Chevrolet Express 2500, GMC Savana 1500, or GMC Savana 2500 models within the listed years. Part Number 21368 also cross-references Anchor 2429 for the same application.

Vehicle Fitment

  • Fits 2000-2002 Chevrolet Express 1500, N/A
  • Fits 2000-2002 Chevrolet Express 2500, N/A; below 8500 lb GVW
  • Fits 1998-2002 Chevrolet Express 2500, N/A
  • Fits 2000-2002 GMC Savana 1500, N/A
  • Fits 2000-2002 GMC Savana 2500, N/A; below 8500 lb GVW
  • Fits 1998-2002 GMC Savana 2500, N/A

Common Replacement Reasons

  • Rust or corrosion in the original muffler body
  • Exhaust noise increase from a failing muffler
  • Restricted exhaust flow from internal deterioration
  • Damaged inlet or outlet connection at the muffler
  • Need for a direct-fit replacement on Chevrolet Express or GMC Savana vans

Installation Notes

Verify inlet and outlet orientation before installation, since this muffler uses offset connections and a welded flange inlet. Confirm vehicle year, engine/exhaust configuration, and GVW notes for Chevrolet Express 2500 and GMC Savana 2500 applications before ordering. If the exhaust assembly is welded, replace all required related parts during service to maintain proper fit and sealing.

Quality Assurance

Walker Quiet-Flow SS mufflers are built with stainless-steel construction and OE-style sound tuning for replacement exhaust service. The manufacturer lists a limited lifetime warranty for the covered applications.

This part fits 46 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelLitersCylindersWheel BasePositionNotes
2002ChevroletExpress 15004.3LV6135.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2002ChevroletExpress 15005.7LV8135.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2002ChevroletExpress 15005.0LV8135.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2002ChevroletExpress 25005.0LV8135.0"N/ABelow 8500 (lb) GVW; Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2002ChevroletExpress 25005.7LV8135.0"N/ABelow 8500 (lb) GVW; Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2002ChevroletExpress 25006.5LV8135.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2002ChevroletExpress 25004.3LV6135.0"N/ABelow 8500 (lb) GVW; Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2002GMCSavana 15005.0LV8135.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2002GMCSavana 15004.3LV6135.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2002GMCSavana 15005.7LV8135.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2002GMCSavana 25005.0LV8135.0"N/ABelow 8500 (lb) GVW; Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2002GMCSavana 25005.7LV8135.0"N/ABelow 8500 (lb) GVW; Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2002GMCSavana 25004.3LV6135.0"N/ABelow 8500 (lb) GVW; Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2002GMCSavana 25006.5LV8135.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2001ChevroletExpress 15004.3LV6135.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2001ChevroletExpress 15005.7LV8135.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2001ChevroletExpress 15005.0LV8135.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2001ChevroletExpress 25005.0LV8135.0"N/ABelow 8500 (lb) GVW; Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2001ChevroletExpress 25005.7LV8135.0"N/ABelow 8500 (lb) GVW; Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2001ChevroletExpress 25006.5LV8135.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2001ChevroletExpress 25004.3LV6135.0"N/ABelow 8500 (lb) GVW; Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2001GMCSavana 15005.0LV8135.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2001GMCSavana 15004.3LV6135.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2001GMCSavana 15005.7LV8135.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2001GMCSavana 25005.0LV8135.0"N/ABelow 8500 (lb) GVW; Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2001GMCSavana 25005.7LV8135.0"N/ABelow 8500 (lb) GVW; Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2001GMCSavana 25004.3LV6135.0"N/ABelow 8500 (lb) GVW; Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2001GMCSavana 25006.5LV8135.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2000ChevroletExpress 15004.3LV6135.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2000ChevroletExpress 15005.7LV8135.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2000ChevroletExpress 15005.0LV8135.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2000ChevroletExpress 25005.0LV8135.0"N/ABelow 8500 (lb) GVW; Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2000ChevroletExpress 25005.7LV8135.0"N/ABelow 8500 (lb) GVW; Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2000ChevroletExpress 25006.5LV8135.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2000ChevroletExpress 25004.3LV6135.0"N/ABelow 8500 (lb) GVW; Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2000GMCSavana 15005.0LV8135.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2000GMCSavana 15004.3LV6135.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2000GMCSavana 15005.7LV8135.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2000GMCSavana 25005.0LV8135.0"N/ABelow 8500 (lb) GVW; Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2000GMCSavana 25005.7LV8135.0"N/ABelow 8500 (lb) GVW; Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2000GMCSavana 25004.3LV6135.0"N/ABelow 8500 (lb) GVW; Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2000GMCSavana 25006.5LV8135.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
1999ChevroletExpress 25006.5LV8135.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
1999GMCSavana 25006.5LV8135.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
1998ChevroletExpress 25006.5LV8135.0"N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
1998GMCSavana 25006.5LV8135.0"N/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.
Anchor — 2429