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Walker 55687 Exhaust Resonator
Walker 55687 Exhaust Resonator Overview
Walker 55687 is a direct-fit exhaust resonator built for 2014-2018 Chevrolet Silverado 1500 and 2014-2018 GMC Sierra 1500 applications. It uses a center inlet and center outlet layout with a round steel body and aluminized finish for OE-style replacement needs.
Designed to match original-system fit, flow, and sound characteristics, this Walker resonator supports a clean exhaust note while maintaining the factory-style routing used on these full-size trucks. The 55687 part number is a practical choice when replacing a worn or damaged resonator on Silverado 1500 and Sierra 1500 exhaust systems.
Key Features
- Direct-fit exhaust resonator for confirmed Silverado 1500 and Sierra 1500 applications
- Center inlet and center outlet configuration for factory-style exhaust routing
- Round steel body with aluminized finish
- Pipe connection inlet and spout-style outlet
- OE-style tuning for flow characteristics and exhaust sound
- Walker 55687 part number for easy identification
Detailed Product Description
Walker 55687 is engineered as an exhaust resonator for 2014-2018 Chevrolet Silverado 1500 and 2014-2018 GMC Sierra 1500 models. The aluminized steel construction helps support long-term exhaust service, while the round body design and center-in/center-out layout match the original system architecture on these vehicles. If you are searching for a Walker 55687 exhaust resonator for Chevrolet Silverado 1500 or GMC Sierra 1500, this direct-fit replacement is built around the factory configuration rather than a universal setup.
This part cross-references AP Exhaust 54113 for the same application.
Common Issues This Part Can Address
- Exhaust resonance or drone from a damaged resonator
- Corrosion-related failure in the resonator body
- Factory exhaust tone that no longer matches original sound levels
- Fitment problems caused by replacing a welded resonator assembly with the wrong configuration
- Exhaust flow disruption from a restricted or deteriorated resonator
Installation Notes and Tips
Fits 2014-2018 Chevrolet Silverado 1500, N/A. Fits 2014-2018 GMC Sierra 1500, N/A. Verify inlet and outlet diameters, center configuration, and overall exhaust layout before installation. If the vehicle uses a welded assembly, replace all required parts to maintain proper fit and alignment. Professional exhaust installation is recommended for accurate positioning and secure connection.
Quality Assurance
Walker designs this resonator to fit, perform, and sound like the original system, using tuning methods intended to preserve OE-style exhaust characteristics on the specified Silverado 1500 and Sierra 1500 applications.
| Brand | Walker |
|---|---|
| Part Number | 55687 |
| Inlet Outside Diameter | 2.625 |
| Finish | Aluminized |
| Inlet Type | Pipe connection |
| Outlet Type | Spout |
| Body Width | 6 |
| Inlet Quantity | 1 |
| Body Material | Steel |
| Outlet Inside Diameter | 2.75 |
| Outlet Quantity | 1 |
| Resonator Shape | Round |
| Overall Length | 2.75 |
| Body 1 Height | 6 |
| Body 1 Length | 12 |
| Body 1 Shape | Round |
| Body 1 Width | 6 |
| Body Height | 6 |
| Body Length | 12 |
| Inlet Configuration | Center |
| Outlet Configuration | Center |
| Universal Or Specific Fit | Direct fit |
This part fits 40 vehicles. Search below:
| Year | Make | Model | Liters | Cylinders | Wheel Base | Position | Notes |
|---|---|---|---|---|---|---|---|
| 2018 | Chevrolet | Silverado 1500 | 4.3L | V6 | 153.0" | N/A | If welded assembly, replace all required parts |
| 2018 | Chevrolet | Silverado 1500 | 4.3L | V6 | 143.5" | N/A | If welded assembly, replace all required parts |
| 2018 | Chevrolet | Silverado 1500 | 5.3L | V8 | 153.0" | N/A | If welded assembly, replace all required parts |
| 2018 | Chevrolet | Silverado 1500 | 5.3L | V8 | 143.5" | N/A | If welded assembly, replace all required parts |
| 2018 | GMC | Sierra 1500 | 5.3L | V8 | 143.5" | N/A | If welded assembly, replace all required parts |
| 2018 | GMC | Sierra 1500 | 4.3L | V6 | 143.5" | N/A | If welded assembly, replace all required parts |
| 2018 | GMC | Sierra 1500 | 5.3L | V8 | 153.0" | N/A | If welded assembly, replace all required parts |
| 2018 | GMC | Sierra 1500 | 4.3L | V6 | 153.0" | N/A | If welded assembly, replace all required parts |
| 2017 | Chevrolet | Silverado 1500 | 4.3L | V6 | 153.0" | N/A | If welded assembly, replace all required parts |
| 2017 | Chevrolet | Silverado 1500 | 4.3L | V6 | 143.5" | N/A | If welded assembly, replace all required parts |
| 2017 | Chevrolet | Silverado 1500 | 5.3L | V8 | 153.0" | N/A | If welded assembly, replace all required parts |
| 2017 | Chevrolet | Silverado 1500 | 5.3L | V8 | 143.5" | N/A | If welded assembly, replace all required parts |
| 2017 | GMC | Sierra 1500 | 5.3L | V8 | 143.5" | N/A | If welded assembly, replace all required parts |
| 2017 | GMC | Sierra 1500 | 4.3L | V6 | 143.5" | N/A | If welded assembly, replace all required parts |
| 2017 | GMC | Sierra 1500 | 5.3L | V8 | 153.0" | N/A | If welded assembly, replace all required parts |
| 2017 | GMC | Sierra 1500 | 4.3L | V6 | 153.0" | N/A | If welded assembly, replace all required parts |
| 2016 | Chevrolet | Silverado 1500 | 4.3L | V6 | 153.0" | N/A | If welded assembly, replace all required parts |
| 2016 | Chevrolet | Silverado 1500 | 4.3L | V6 | 143.5" | N/A | If welded assembly, replace all required parts |
| 2016 | Chevrolet | Silverado 1500 | 5.3L | V8 | 153.0" | N/A | If welded assembly, replace all required parts |
| 2016 | Chevrolet | Silverado 1500 | 5.3L | V8 | 143.5" | N/A | If welded assembly, replace all required parts |
| 2016 | GMC | Sierra 1500 | 5.3L | V8 | 143.5" | N/A | If welded assembly, replace all required parts |
| 2016 | GMC | Sierra 1500 | 4.3L | V6 | 143.5" | N/A | If welded assembly, replace all required parts |
| 2016 | GMC | Sierra 1500 | 5.3L | V8 | 153.0" | N/A | If welded assembly, replace all required parts |
| 2016 | GMC | Sierra 1500 | 4.3L | V6 | 153.0" | N/A | If welded assembly, replace all required parts |
| 2015 | Chevrolet | Silverado 1500 | 4.3L | V6 | 153.0" | N/A | If welded assembly, replace all required parts |
| 2015 | Chevrolet | Silverado 1500 | 4.3L | V6 | 143.5" | N/A | If welded assembly, replace all required parts |
| 2015 | Chevrolet | Silverado 1500 | 5.3L | V8 | 153.0" | N/A | If welded assembly, replace all required parts |
| 2015 | Chevrolet | Silverado 1500 | 5.3L | V8 | 143.5" | N/A | If welded assembly, replace all required parts |
| 2015 | GMC | Sierra 1500 | 5.3L | V8 | 143.5" | N/A | If welded assembly, replace all required parts |
| 2015 | GMC | Sierra 1500 | 4.3L | V6 | 143.5" | N/A | If welded assembly, replace all required parts |
| 2015 | GMC | Sierra 1500 | 5.3L | V8 | 153.0" | N/A | If welded assembly, replace all required parts |
| 2015 | GMC | Sierra 1500 | 4.3L | V6 | 153.0" | N/A | If welded assembly, replace all required parts |
| 2014 | Chevrolet | Silverado 1500 | 4.3L | V6 | 153.0" | N/A | If welded assembly, replace all required parts |
| 2014 | Chevrolet | Silverado 1500 | 4.3L | V6 | 143.5" | N/A | If welded assembly, replace all required parts |
| 2014 | Chevrolet | Silverado 1500 | 5.3L | V8 | 153.0" | N/A | If welded assembly, replace all required parts |
| 2014 | Chevrolet | Silverado 1500 | 5.3L | V8 | 143.5" | N/A | If welded assembly, replace all required parts |
| 2014 | GMC | Sierra 1500 | 5.3L | V8 | 143.5" | N/A | If welded assembly, replace all required parts |
| 2014 | GMC | Sierra 1500 | 4.3L | V6 | 143.5" | N/A | If welded assembly, replace all required parts |
| 2014 | GMC | Sierra 1500 | 5.3L | V8 | 153.0" | N/A | If welded assembly, replace all required parts |
| 2014 | GMC | Sierra 1500 | 4.3L | V6 | 153.0" | N/A | If welded assembly, replace all required parts |
* 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.