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Walker 21856 Exhaust Muffler
Overview of Walker Quiet-Flow Exhaust Muffler 21856
The Walker Quiet-Flow Exhaust Muffler 21856 is designed specifically for Cadillac DeVille, Eldorado, and Fleetwood models. This oval-shaped muffler offers a precise fit and reliable performance for your vehicle's exhaust system.
- Specific fit for Cadillac DeVille, Eldorado, and Fleetwood
- Oval body shape with aluminized steel construction
- 2.5-inch inlet and outlet pipe connections
- Offset inlet configuration with center outlet
- Overall length of 23 inches and body length of 19 inches
Product Features and Specifications
This exhaust muffler features a regular grade aluminized steel body that provides corrosion resistance and durability. The oval shape measures 9.75 inches in width and 4.25 inches in height, ensuring a compact yet effective design. The inlet and outlet both have a 2.5-inch inside diameter with pipe connection types, facilitating straightforward integration into the exhaust system. The inlet is offset by 2.875 inches, while the outlet is centered, supporting proper exhaust flow and fitment. This muffler is a combination type, designed for specific applications rather than universal use, and is not reversible or tunable.
Walker Quiet-Flow Product Line Details
The Quiet-Flow line by Walker focuses on providing mufflers engineered for noise reduction and efficient exhaust flow. This product line emphasizes precise fitment and quality materials, making it suitable for vehicles like the Cadillac DeVille, Eldorado, and Fleetwood. The 21856 muffler maintains these standards by combining durable aluminized steel construction with a design tailored to specific vehicle requirements.
Applications and Problem Solving
- Replaces worn or damaged mufflers on Cadillac DeVille, Eldorado, and Fleetwood
- Reduces exhaust noise for a quieter driving experience
- Restores proper exhaust flow to maintain engine performance
- Prevents exhaust leaks caused by rust or corrosion
- Ensures compliance with vehicle-specific exhaust system requirements
Installation Notes and Tips
Installation requires matching the 2.5-inch inlet and outlet pipe connections to the vehicle’s exhaust system. The offset inlet and center outlet configuration should be aligned carefully to ensure proper fitment. This muffler is designed for specific Cadillac models, so verify compatibility before installation. Professional installation is recommended to maintain exhaust system integrity and performance.
Quality Assurance and Warranty
Walker manufactures the Quiet-Flow 21856 muffler with aluminized steel for corrosion resistance and durability. While specific warranty details are not provided, Walker products typically meet industry standards for quality and reliability. Using this muffler helps maintain the exhaust system’s function and longevity on Cadillac DeVille, Eldorado, and Fleetwood vehicles.
| Brand | Walker |
|---|---|
| Part Number | 21856 |
| Position | Quiet-Flow |
| Universal Or Specific Fit | Specific |
| Shape | Oval |
| Grade Type | Regular |
| Inlet Inside Diameter | 2.5 |
| Body Width | 9.75 |
| Inlet Quantity | 1 |
| Outlet Inside Diameter | 2.5 |
| Outlet Quantity | 1 |
| Reversible | No |
| Tunable | No |
| Overall Length | 23 |
| Body Height | 4.25 |
| Body Length | 19 |
| Body Material | Steel |
| Finish | Aluminized |
| Inlet 1 Inside Diameter | 2.5 |
| Inlet 1 Type | Pipe connection |
| Inlet Configuration | Offset |
| Inlet Offset | 2.875 |
| Inlet Type | Pipe connection |
| Muffler Type | Combination |
| Outlet 1 Inside Diameter | 2.5 |
| Outlet 1 Type | Pipe connection |
| Outlet Configuration | Center |
| Outlet Type | Pipe connection |
This part fits 14 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|
| 1978 | Cadillac | Eldorado | 7.0L | V8 | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1977 | Cadillac | Eldorado | 7.0L | V8 | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1976 | Cadillac | DeVille | 8.2L | V8 | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1976 | Cadillac | Eldorado | 8.2L | V8 | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1976 | Cadillac | Fleetwood | 8.2L | V8 | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1975 | Cadillac | DeVille | 8.2L | V8 | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1975 | Cadillac | Eldorado | 8.2L | V8 | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1975 | Cadillac | Fleetwood | 8.2L | V8 | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1970 | Cadillac | DeVille | 7.7L | V8 | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1970 | Cadillac | Fleetwood | 7.7L | V8 | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1969 | Cadillac | DeVille | 7.7L | V8 | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1969 | Cadillac | Fleetwood | 7.7L | V8 | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1968 | Cadillac | DeVille | 7.7L | V8 | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
| 1968 | Cadillac | Fleetwood | 7.7L | V8 | N/A | Premium; Limited Lifetime Warranty; Quiet-Flow |
* 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.