Walker
Quiet-Flow SS

Walker 21289 Exhaust Muffler

Brand Walker 21289
Universal Or Specific Fit Specific
Shape Oval
Grade Type Regular
Inlet Inside Diameter 2
Body Width 9
Outlet Quantity 1
Reversible No
Tunable No
Overall Length 26
Body Height 7
Body Length 22
Body Material Stainless steel
Finish Aluminized
Inlet 1 Inside Diameter 2
Inlet 1 Type Pipe connection
Inlet 2 Inside Diameter 2
Inlet 2 Type Pipe connection
Inlet Configuration Offset
Inlet Offset 1.625
Inlet Quantity 2
Inlet Type Pipe connection
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 Cadillac, Chevrolet, and GMC · 12 vehicles

100% stainless steel. Quiet-Flow SS construction resists corrosion and delivers lasting durability.

Precision fit. Engineered for a specific fit with OE-style sound and superior flow.

Oval combination design. A versatile muffler shape built for efficient exhaust performance.

Cross-references Anchor 2219 for the same application. See all 1.

$135.52Free 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
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Step 2 — Quantity
Order total $135.52
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 OE-Style Exhaust Service

Walker Quiet-Flow SS muffler Part Number 21289 is a specific-fit exhaust muffler built with stainless-steel body construction and an OE-style sound profile. It is engineered for select Cadillac Escalade, Chevrolet Tahoe, and GMC Yukon applications from 1996-2000, including premium and Federal Emission System configurations.

Key Features

  • Specific-fit muffler for direct application matching
  • Oval body shape with a 26-inch overall length
  • Stainless-steel body material for corrosion resistance
  • Combination muffler design with offset inlet and outlet configuration
  • 2-inch inlet inside diameter with 2.75-inch outlet outside diameter
  • Walker Quiet-Flow SS line focused on precision fit and OE-style sound
  • Part Number 21289 for catalog and fitment lookup

Product Details

Walker Quiet-Flow SS is the brand line for stainless-steel mufflers built around fitment accuracy, controlled exhaust flow, and a factory-like sound level. This muffler uses a 9-inch body width, 7-inch body height, and 22-inch body length, with dual 2-inch pipe-connection inlets and a single 2.75-inch pipe-connection outlet. The aluminized finish adds another layer of exhaust-system durability. For drivers servicing a 1996-2000 Cadillac Escalade, Chevrolet Tahoe, or GMC Yukon, Part Number 21289 provides a direct replacement path for the listed applications.

What This Muffler Helps Address

  • Exhaust noise from a worn or damaged muffler
  • Rust-related muffler deterioration in the exhaust system
  • Restricted exhaust flow caused by internal muffler wear
  • Factory exhaust tone loss on select Cadillac Escalade, Chevrolet Tahoe, and GMC Yukon models
  • Fitment issues when replacing an OE-style muffler on listed vehicles

Installation Notes and Tips

Fits 1999-2000 Cadillac Escalade, N/A; Fits 1999-2000 Chevrolet Tahoe, N/A; Fits 1999-2000 GMC Yukon, N/A; Fits 1998 Chevrolet Tahoe, N/A; Fits 1998 GMC Yukon, N/A; Fits 1996-1997 Chevrolet Tahoe, N/A; Fits 1996-1997 GMC Yukon, N/A. Review the vehicle’s exhaust layout before installation, since welded assemblies may require modifications and/or additional parts, and some applications note that all required parts should be replaced together. Confirm inlet and outlet orientation, offset dimensions, and pipe diameter before welding or clamping. This part cross-references Anchor (e.g., 2219) for the same application.

Quality Assurance

Walker Quiet-Flow SS mufflers are positioned as stainless-steel exhaust replacements with precision fit and OE-style sound characteristics. Part Number 21289 is listed with limited lifetime warranty coverage in the fitment notes for the applicable vehicles.

This part fits 12 vehicles
Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.
YearMakeModelSubmodel# DoorsLitersCylindersPositionNotes
2000CadillacEscalade5.7LV8N/APremium; with Federal Emission System; Limited Lifetime Warranty; If welded assembly, modifications and/or additional parts may be required.; Quiet-Flow SS
2000ChevroletTahoe4 Door5.7LV8N/APremium; with Federal Emission System; with Luxury Edition Package; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
2000GMCYukonDenali4 Door5.7LV8N/APremium; with Federal Emission System; with Luxury Edition Package; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
1999CadillacEscalade5.7LV8N/APremium; with Federal Emission System; Limited Lifetime Warranty; If welded assembly, modifications and/or additional parts may be required.; Quiet-Flow SS
1999ChevroletTahoe4 Door5.7LV8N/APremium; with Federal Emission System; with Luxury Edition Package; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
1999GMCYukon4 Door5.7LV8N/APremium; with Federal Emission System; with Luxury Edition Package; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
1998ChevroletTahoe4 Door5.7LV8N/APremium; with Federal Emission System; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
1998GMCYukon4 Door5.7LV8N/APremium; with Federal Emission System; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
1997ChevroletTahoe4 Door5.7LV8N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
1997GMCYukon4 Door5.7LV8N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
1996ChevroletTahoe4 Door5.7LV8N/APremium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS
1996GMCYukon4 Door5.7LV8N/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 — 2219