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Walker 21289 Exhaust Muffler
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.
| Brand | Walker |
| Part Number | 21289 |
| Position | Quiet-Flow SS |
| 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 |
This part fits 12 vehicles. Search below:
| Year | Make | Model | Submodel | # Doors | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 2000 | Cadillac | Escalade | 5.7L | V8 | N/A | Premium; with Federal Emission System; Limited Lifetime Warranty; If welded assembly, modifications and/or additional parts may be required.; Quiet-Flow SS | ||
| 2000 | Chevrolet | Tahoe | 4 Door | 5.7L | V8 | N/A | Premium; with Federal Emission System; with Luxury Edition Package; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS | |
| 2000 | GMC | Yukon | Denali | 4 Door | 5.7L | V8 | N/A | Premium; with Federal Emission System; with Luxury Edition Package; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 1999 | Cadillac | Escalade | 5.7L | V8 | N/A | Premium; with Federal Emission System; Limited Lifetime Warranty; If welded assembly, modifications and/or additional parts may be required.; Quiet-Flow SS | ||
| 1999 | Chevrolet | Tahoe | 4 Door | 5.7L | V8 | N/A | Premium; with Federal Emission System; with Luxury Edition Package; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS | |
| 1999 | GMC | Yukon | 4 Door | 5.7L | V8 | N/A | Premium; with Federal Emission System; with Luxury Edition Package; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS | |
| 1998 | Chevrolet | Tahoe | 4 Door | 5.7L | V8 | N/A | Premium; with Federal Emission System; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS | |
| 1998 | GMC | Yukon | 4 Door | 5.7L | V8 | N/A | Premium; with Federal Emission System; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS | |
| 1997 | Chevrolet | Tahoe | 4 Door | 5.7L | V8 | N/A | Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS | |
| 1997 | GMC | Yukon | 4 Door | 5.7L | V8 | N/A | Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS | |
| 1996 | Chevrolet | Tahoe | 4 Door | 5.7L | V8 | N/A | Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS | |
| 1996 | GMC | Yukon | 4 Door | 5.7L | V8 | N/A | Premium; 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:
Cross-reference numbers are provided for identification purposes only. Always confirm fitment before ordering.