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Walker 21504 Exhaust Muffler
Overview of Walker Quiet-Flow SS Exhaust Muffler 21504
The Walker Quiet-Flow SS Exhaust Muffler 21504 is designed specifically for Chevrolet Tahoe and GMC Yukon models. This oval-shaped muffler features a durable stainless steel body with an aluminized finish, engineered to provide reliable exhaust flow and noise reduction tailored to your vehicle's specifications.
- Specific fit for Chevrolet Tahoe and GMC Yukon
- Oval body shape with 9-inch width and 7-inch height
- Stainless steel construction with aluminized finish for corrosion resistance
- Combination muffler type with offset inlet and outlet pipe connections
- Two 2-inch inside diameter inlets and one 2.75-inch outside diameter outlet
- Overall length of 26 inches and body length of 22 inches
- Non-reversible and non-tunable design for precise fitment
Detailed Product Description
The Walker Quiet-Flow SS 21504 exhaust muffler is engineered with a combination muffler design that balances sound attenuation and exhaust flow efficiency. Its oval shape and specific dimensions—9 inches wide, 7 inches high, and 26 inches overall length—ensure a precise fit for the exhaust system of Chevrolet Tahoe and GMC Yukon vehicles. The muffler features two offset 2-inch inside diameter pipe connection inlets spaced 1.625 inches apart, allowing for smooth integration with existing exhaust piping. The single outlet pipe connection has a 2.75-inch outside diameter and is also offset to match factory configurations. Constructed from stainless steel, the muffler body offers enhanced durability and resistance to corrosion, while the aluminized finish adds an extra layer of protection against environmental elements.
Walker Quiet-Flow SS Product Line
The Quiet-Flow SS line by Walker focuses on providing exhaust mufflers that combine stainless steel durability with sound reduction technology. This product line is designed to meet specific vehicle fitments, such as the Chevrolet Tahoe and GMC Yukon, ensuring compatibility and performance. The Quiet-Flow SS mufflers are engineered to maintain factory sound levels while offering improved corrosion resistance and longevity compared to standard mufflers.
Applications and Problem Solving
- Replacement for worn or damaged mufflers on Chevrolet Tahoe and GMC Yukon
- Reduces exhaust noise while maintaining proper exhaust flow
- Prevents exhaust leaks caused by rust or corrosion
- Restores factory exhaust system performance and sound quality
- Helps maintain emissions compliance by ensuring proper exhaust routing
Installation Notes and Tips
This muffler is designed for specific fitment on Chevrolet Tahoe and GMC Yukon models, ensuring a direct replacement without modification. The offset inlet and outlet pipe connections require alignment with existing exhaust pipes sized at 2 inches for inlets and 2.75 inches for the outlet. Professional installation is recommended to ensure proper sealing and secure mounting. Note that this muffler is not reversible or tunable, so correct orientation during installation is essential.
Quality Assurance and Warranty
Walker manufactures the Quiet-Flow SS 21504 muffler with high-quality stainless steel and aluminized finishes to provide long-lasting durability. While specific warranty details are not provided here, Walker products typically come with manufacturer-backed warranties covering defects in materials and workmanship. For exact warranty information, refer to Walker's official documentation or contact the manufacturer directly.
| Brand | Walker |
|---|---|
| Part Number | 21504 |
| 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 6 vehicles. Search below:
| Year | Make | Model | # Doors | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 1999 | Chevrolet | Tahoe | 2 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 | Chevrolet | Tahoe | 2 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 | 2 Door | 5.7L | V8 | N/A | Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 1997 | GMC | Yukon | 2 Door | 5.7L | V8 | N/A | Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 1996 | Chevrolet | Tahoe | 2 Door | 5.7L | V8 | N/A | Premium; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 1996 | GMC | Yukon | 2 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.