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Walker 18813 Exhaust Muffler
Overview of Walker SoundFX Direct Fit Exhaust Muffler 18813
The Walker SoundFX Direct Fit Exhaust Muffler 18813 is designed specifically for Chevrolet, GMC, and Oldsmobile vehicles, including models like the Blazer, Bravada, and Jimmy. This oval-shaped muffler offers a precise fit and reliable performance for your exhaust system needs.
- Specific fit for Chevrolet, GMC, and Oldsmobile Blazer, Bravada, and Jimmy models
- Oval body shape with 11-inch width and 5.5-inch height
- Overall length of 32.5 inches with a 27-inch body length
- Constructed from aluminized steel for corrosion resistance
- Single inlet and outlet with 2.25-inch inside diameter pipe connections
- Offset inlet with 2 bolt welded flange for secure attachment
- Combination muffler type designed for balanced sound and performance
Product Line Details: Walker SoundFX Direct Fit
The SoundFX Direct Fit line by Walker focuses on providing exhaust mufflers that match the original equipment specifications for a direct replacement. This ensures compatibility and ease of installation without the need for modifications. The 18813 muffler maintains the factory sound characteristics while offering durable construction and a precise fit for the specified vehicle models.
Detailed Product Description
This Walker exhaust muffler features an oval-shaped body measuring 11 inches wide and 5.5 inches high, with an overall length of 32.5 inches. The body is made from aluminized steel, which provides resistance to rust and corrosion, extending the muffler's service life. It includes a single inlet and outlet, both with a 2.25-inch inside diameter pipe connection. The inlet is offset by 3.5 inches and uses a 2 bolt welded flange for secure mounting. The muffler type is a combination design, balancing sound reduction and exhaust flow efficiency. This part is not reversible or tunable, ensuring it fits as intended for the specified vehicle applications.
Common Applications and Problem Solving
- Replacement for worn or damaged mufflers on Chevrolet Blazer, GMC Bravada, and Oldsmobile Jimmy
- Restores proper exhaust flow and reduces excessive noise
- Addresses corrosion or rust issues in the exhaust system
- Helps maintain factory exhaust sound and performance
- Prevents exhaust leaks caused by damaged muffler components
Installation Notes and Tips
Installation of the Walker SoundFX Direct Fit Exhaust Muffler 18813 requires matching the specific inlet and outlet configurations. The 2 bolt welded flange inlet and offset design should align with the vehicle’s exhaust piping for a direct fit. Ensure all connections are properly sealed to prevent leaks. This muffler is designed for specific fitment and is not reversible or tunable, so verify compatibility with your Chevrolet Blazer, GMC Bravada, or Oldsmobile Jimmy before installation.
Quality Assurance and Warranty
Walker manufactures the SoundFX Direct Fit mufflers with aluminized steel to resist corrosion and provide durability. While specific warranty details are not provided here, Walker products typically meet or exceed OEM standards for quality and fitment. Using part number 18813 ensures you receive a component designed for reliable performance in your vehicle’s exhaust system.
| Brand | Walker |
|---|---|
| Part Number | 18813 |
| Position | SoundFX Direct Fit |
| Universal Or Specific Fit | Specific |
| Shape | Oval |
| Grade Type | Regular |
| Body Width | 11 |
| Inlet Quantity | 1 |
| Outlet Inside Diameter | 2.25 |
| Outlet Quantity | 1 |
| Reversible | No |
| Tunable | No |
| Overall Length | 32.5 |
| Body Height | 5.5 |
| Body Length | 27 |
| Body Material | Steel |
| Finish | Aluminized |
| Inlet 1 Type | 2 bolt welded flange |
| Inlet Configuration | Offset |
| Inlet Offset | 3.5 |
| Inlet Type | 2 bolt welded flange |
| Muffler Type | Combination |
| Outlet 1 Inside Diameter | 2.25 |
| Outlet 1 Type | Pipe connection |
| Outlet Configuration | Center |
| Outlet Type | Pipe connection |
This part fits 13 vehicles. Search below:
| Year | Make | Model | # Doors | Liters | Cylinders | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2005 | Chevrolet | Blazer | 4 Door | 4.3L | V6 | N/A | Requires 36163; If welded assembly, replace all required parts; SoundFX Direct Fit |
| 2004 | Chevrolet | Blazer | 4 Door | 4.3L | V6 | N/A | Requires 36163; If welded assembly, replace all required parts; SoundFX Direct Fit |
| 2004 | GMC | Jimmy | 4 Door | 4.3L | V6 | N/A | Requires 36163; If welded assembly, replace all required parts; SoundFX Direct Fit |
| 2003 | Chevrolet | Blazer | 4 Door | 4.3L | V6 | N/A | Requires 36163; If welded assembly, replace all required parts; SoundFX Direct Fit |
| 2003 | GMC | Jimmy | 4 Door | 4.3L | V6 | N/A | Requires 36163; If welded assembly, replace all required parts; SoundFX Direct Fit |
| 2002 | Chevrolet | Blazer | 4 Door | 4.3L | V6 | N/A | Requires 36163; If welded assembly, replace all required parts; SoundFX Direct Fit |
| 2002 | GMC | Jimmy | 4 Door | 4.3L | V6 | N/A | Requires 36163; If welded assembly, replace all required parts; SoundFX Direct Fit |
| 2001 | Chevrolet | Blazer | 4 Door | 4.3L | V6 | N/A | Requires 36163; If welded assembly, replace all required parts; SoundFX Direct Fit |
| 2001 | GMC | Jimmy | 4 Door | 4.3L | V6 | N/A | Requires 36163; If welded assembly, replace all required parts; SoundFX Direct Fit |
| 2001 | Oldsmobile | Bravada | 4.3L | V6 | N/A | Requires 36163; If welded assembly, replace all required parts; SoundFX Direct Fit | |
| 2000 | Chevrolet | Blazer | 4 Door | 4.3L | V6 | N/A | Requires 36163; If welded assembly, replace all required parts; SoundFX Direct Fit |
| 2000 | GMC | Jimmy | 4 Door | 4.3L | V6 | N/A | Requires 36163; If welded assembly, replace all required parts; SoundFX Direct Fit |
| 2000 | Oldsmobile | Bravada | 4.3L | V6 | N/A | Requires 36163; If welded assembly, replace all required parts; SoundFX Direct Fit |
* 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.