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Walker 21507 Exhaust Muffler
Overview of Walker Quiet-Flow SS Exhaust Muffler 21507
The Walker Quiet-Flow SS Exhaust Muffler 21507 is designed specifically for Ford F-250 Super Duty and F-350 Super Duty trucks. Engineered with durable stainless steel and an aluminized finish, this muffler offers reliable performance and corrosion resistance for heavy-duty applications.
- Specific fit for Ford F-250 Super Duty and F-350 Super Duty models
- Oval-shaped muffler body measuring 20 inches in length and 9 inches in width
- Stainless steel construction with aluminized finish for enhanced durability
- 3-inch inlet and outlet pipe connections with offset configuration
- Combination muffler type with a single inlet and outlet
- Overall length of 25.5 inches, body height of 7 inches
Detailed Product Features and Specifications
This Walker Quiet-Flow SS muffler (part number 21507) features a robust stainless steel body designed to withstand the rigors of heavy-duty truck use. The oval shape provides an efficient flow path while maintaining a compact profile. Both the inlet and outlet have a 3-inch inside diameter with pipe connection types, arranged in an offset configuration with a 2.625-inch inlet offset. The muffler is a combination type, meaning it balances sound reduction and exhaust flow effectively. Its aluminized finish adds a layer of corrosion resistance, extending the service life of the muffler under harsh environmental conditions.
Quiet-Flow SS Product Line Information
The Quiet-Flow SS line by Walker focuses on stainless steel mufflers that combine durability with noise reduction. This product line is tailored for specific vehicle applications, ensuring a precise fit and reliable performance. The 21507 muffler exemplifies the Quiet-Flow SS commitment to quality materials and design optimized for Ford Super Duty trucks.
Applications and Problem Solving
- Replacement muffler for worn or damaged exhaust systems on Ford F-250 and F-350 Super Duty trucks
- Reduces exhaust noise while maintaining proper exhaust flow
- Prevents exhaust leaks caused by rust or corrosion in older mufflers
- Helps maintain engine performance by ensuring efficient exhaust evacuation
- Supports compliance with vehicle noise regulations
Installation Notes and Tips
This muffler is designed for specific fitment on Ford F-250 Super Duty and F-350 Super Duty models. It features pipe connection inlets and outlets with an offset configuration, so proper alignment during installation is essential. Ensure the inlet and outlet diameters match the existing exhaust pipes (3 inches) for a secure fit. Professional installation is recommended to maintain exhaust system integrity and performance.
Quality Assurance and Warranty
Walker manufactures the Quiet-Flow SS 21507 muffler with high-grade stainless steel and aluminized finish to resist corrosion and wear. While specific warranty details are not provided, Walker products typically meet industry standards for durability and performance in heavy-duty exhaust applications.
| Brand | Walker |
|---|---|
| Part Number | 21507 |
| Position | Quiet-Flow SS |
| Universal Or Specific Fit | Specific |
| Shape | Oval |
| Grade Type | Regular |
| Inlet Inside Diameter | 3 |
| Body Width | 9 |
| Inlet Quantity | 1 |
| Outlet Inside Diameter | 3 |
| Outlet Quantity | 1 |
| Reversible | No |
| Tunable | No |
| Overall Length | 25.5 |
| Body Height | 7 |
| Body Length | 20 |
| Body Material | Stainless steel |
| Finish | Aluminized |
| Inlet 1 Inside Diameter | 3 |
| Inlet 1 Type | Pipe connection |
| Inlet Configuration | Offset |
| Inlet Offset | 2.625 |
| Inlet Type | Pipe connection |
| Muffler Type | Combination |
| Outlet 1 Inside Diameter | 3 |
| Outlet 1 Type | Pipe connection |
| Outlet Configuration | Offset |
| Outlet Type | Pipe connection |
This part fits 27 vehicles. Search below:
| Year | Make | Model | Body Type | Liters | Cylinders | Wheel Base | Position | Notes |
|---|---|---|---|---|---|---|---|---|
| 2003 | Ford | F-250 Super Duty | 7.3L | V8 | N/A | Premium; with Catalytic Converter; with Wide Frame; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS | ||
| 2003 | Ford | F-350 Super Duty | Extended Cab Pickup | 7.3L | V8 | 142.0" | N/A | Premium; with Catalytic Converter; with Wide Frame; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 2003 | Ford | F-350 Super Duty | Extended Cab Pickup | 7.3L | V8 | 158.0" | N/A | Premium; with Catalytic Converter; with Wide Frame; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 2003 | Ford | F-350 Super Duty | Crew Cab Pickup | 7.3L | V8 | N/A | Premium; with Wide Frame; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS | |
| 2003 | Ford | F-350 Super Duty | Cab & Chassis | 7.3L | V8 | N/A | Premium; with Catalytic Converter; with Wide Frame; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS | |
| 2002 | Ford | F-250 Super Duty | 7.3L | V8 | N/A | Premium; with Catalytic Converter; with Wide Frame; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS | ||
| 2002 | Ford | F-350 Super Duty | Extended Cab Pickup | 7.3L | V8 | 142.0" | N/A | Premium; with Catalytic Converter; with Wide Frame; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 2002 | Ford | F-350 Super Duty | Extended Cab Pickup | 7.3L | V8 | 158.0" | N/A | Premium; with Catalytic Converter; with Wide Frame; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 2002 | Ford | F-350 Super Duty | Crew Cab Pickup | 7.3L | V8 | N/A | Premium; with Wide Frame; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS | |
| 2002 | Ford | F-350 Super Duty | Cab & Chassis | 7.3L | V8 | N/A | Premium; with Catalytic Converter; with Wide Frame; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS | |
| 2001 | Ford | F-250 Super Duty | 7.3L | V8 | N/A | Premium; with Wide Frame; without Catalytic Converter; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS | ||
| 2001 | Ford | F-250 Super Duty | 7.3L | V8 | N/A | Premium; with Catalytic Converter; with Wide Frame; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS | ||
| 2001 | Ford | F-350 Super Duty | Extended Cab Pickup | 7.3L | V8 | 142.0" | N/A | Premium; with Catalytic Converter; with Wide Frame; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 2001 | Ford | F-350 Super Duty | Extended Cab Pickup | 7.3L | V8 | 158.0" | N/A | Premium; with Catalytic Converter; with Wide Frame; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS |
| 2001 | Ford | F-350 Super Duty | Extended Cab Pickup | 7.3L | V8 | N/A | Premium; with Wide Frame; without Catalytic Converter; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS | |
| 2001 | Ford | F-350 Super Duty | Crew Cab Pickup | 7.3L | V8 | N/A | Premium; with Wide Frame; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS | |
| 2001 | Ford | F-350 Super Duty | Cab & Chassis | 7.3L | V8 | N/A | Premium; with Wide Frame; without Catalytic Converter; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS | |
| 2001 | Ford | F-350 Super Duty | Cab & Chassis | 7.3L | V8 | N/A | Premium; with Catalytic Converter; with Wide Frame; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS | |
| 2001 | Ford | F-350 Super Duty | Crew Cab Pickup | 7.3L | V8 | N/A | Premium; with Wide Frame; without Catalytic Converter; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS | |
| 2000 | Ford | F-250 Super Duty | 7.3L | V8 | N/A | Premium; with Wide Frame; without Catalytic Converter; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS | ||
| 2000 | Ford | F-350 Super Duty | Extended Cab Pickup | 7.3L | V8 | N/A | Premium; with Wide Frame; without Catalytic Converter; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS | |
| 2000 | Ford | F-350 Super Duty | Cab & Chassis | 7.3L | V8 | N/A | Premium; with Wide Frame; without Catalytic Converter; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS | |
| 2000 | Ford | F-350 Super Duty | Crew Cab Pickup | 7.3L | V8 | N/A | Premium; with Wide Frame; without Catalytic Converter; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS | |
| 1999 | Ford | F-250 Super Duty | 7.3L | V8 | N/A | Premium; with Wide Frame; without Catalytic Converter; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS | ||
| 1999 | Ford | F-350 Super Duty | Extended Cab Pickup | 7.3L | V8 | N/A | Premium; with Wide Frame; without Catalytic Converter; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS | |
| 1999 | Ford | F-350 Super Duty | Cab & Chassis | 7.3L | V8 | N/A | Premium; with Wide Frame; without Catalytic Converter; Limited Lifetime Warranty; If welded assembly, replace all required parts; Quiet-Flow SS | |
| 1999 | Ford | F-350 Super Duty | Crew Cab Pickup | 7.3L | V8 | N/A | Premium; with Wide Frame; without Catalytic Converter; 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.