HomeExhaust > MufflersWalker 21289 Exhaust Muffler
Part #: 21289

Walker 21289 Exhaust Muffler

Quiet-Flow SS
⚙️ 12 vehicles fit this part
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OE Direct Replacement — Bolt-on fit, no modifications needed
📦Quiet-Flow SS
🚗Fitment: Cadillac, Chevrolet, and GMC, Escalade, Tahoe, and Yukon
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Overview of Walker Quiet-Flow SS Exhaust Muffler 21289

The Walker Quiet-Flow SS Exhaust Muffler 21289 is designed specifically for select Cadillac, Chevrolet, and GMC models, including the Escalade, Tahoe, and Yukon. This muffler offers a precise fit and durable construction to maintain optimal exhaust performance and sound control.

  • Specific fit for Cadillac Escalade, Chevrolet Tahoe, and GMC Yukon
  • Oval-shaped stainless steel body with aluminized finish
  • Combination muffler type with offset inlet and outlet pipe connections
  • Two 2-inch inlet pipe connections and one 2.75-inch outlet pipe connection
  • Overall length of 26 inches with a 9-inch body width and 7-inch body height

Detailed Product Features and Specifications

The Walker Quiet-Flow SS 21289 muffler features a robust stainless steel body with an aluminized finish to resist corrosion and extend service life. Its oval shape measures 22 inches in body length, 9 inches in width, and 7 inches in height, providing a compact yet effective design. The muffler includes two 2-inch offset inlet pipe connections spaced 1.625 inches apart, allowing for precise alignment with the vehicle’s exhaust system. The single outlet pipe connection has a 2.75-inch outside diameter and is also offset to match factory configurations. This combination muffler type is engineered to balance sound attenuation and exhaust flow, suitable for the specific exhaust layouts of the Cadillac Escalade, Chevrolet Tahoe, and GMC Yukon.

About the Walker Quiet-Flow SS Product Line

The Quiet-Flow SS line by Walker focuses on delivering exhaust mufflers constructed from stainless steel for enhanced durability and corrosion resistance. This product line is designed to provide a quieter exhaust experience while maintaining efficient exhaust flow. The 21289 muffler exemplifies these qualities with its combination muffler design and precise fitment for select full-size SUVs from Cadillac, Chevrolet, and GMC.

Common Applications and Problem Solving

  • Replacement for worn or damaged mufflers on Cadillac Escalade, Chevrolet Tahoe, and GMC Yukon
  • Reduces excessive exhaust noise caused by deteriorated muffler components
  • Restores proper exhaust flow to maintain engine performance and fuel efficiency
  • Prevents exhaust leaks that can lead to harmful emissions and noise
  • Addresses corrosion and rust issues common in older mufflers

Installation Notes and Tips

This muffler is designed for specific fitment and requires proper alignment of the offset inlet and outlet pipe connections. Ensure the 2-inch inlet pipes and 2.75-inch outlet pipe match the vehicle’s exhaust system dimensions. Professional installation is recommended to maintain exhaust integrity and avoid leaks. The muffler is not reversible or tunable, so correct orientation during installation is essential.

Quality Assurance and Warranty

Walker manufactures the Quiet-Flow SS 21289 muffler with high-grade stainless steel and aluminized finish to ensure long-lasting performance. While specific warranty details are not provided, Walker products typically meet industry standards for durability and fitment. This muffler is engineered to meet or exceed OEM specifications for the Cadillac Escalade, Chevrolet Tahoe, and GMC Yukon.

BrandWalker
Part Number21289
PositionQuiet-Flow SS
Universal Or Specific FitSpecific
ShapeOval
Grade TypeRegular
Inlet Inside Diameter2
Body Width9
Outlet Quantity1
ReversibleNo
TunableNo
Overall Length26
Body Height7
Body Length22
Body MaterialStainless steel
FinishAluminized
Inlet 1 Inside Diameter2
Inlet 1 TypePipe connection
Inlet 2 Inside Diameter2
Inlet 2 TypePipe connection
Inlet ConfigurationOffset
Inlet Offset1.625
Inlet Quantity2
Inlet TypePipe connection
Muffler TypeCombination
Outlet 1 Outside Diameter2.75
Outlet 1 TypePipe connection
Outlet ConfigurationOffset
Outlet Outside Diameter2.75
Outlet TypePipe connection

This part fits 12 vehicles. Search below:

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

* Always verify fitment with your vehicle's VIN if unsure. Submodel & trim restrictions may apply.

This part directly replaces or is cross-referenced with the following part numbers:

2219

Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.