Product Description
Clean up the engine bay and eliminate the restrictive factory intake chamber with the WEHRLI CUSTOM FAB WCF100473 L5P DURAMAX INTAKE RESONATOR DELETE PLUG – BLACK ANODIZED. This precision-machined billet aluminum plug replaces the bulky factory intake resonator found on 2017+ Chevrolet and GMC 6.6L L5P Duramax engines, providing a cleaner intake path and improved under-hood appearance.
Manufactured by Wehrli Custom Fabrication, the WCF100473 resonator delete plug is CNC machined from high-quality aluminum and finished in durable black anodizing for corrosion resistance and a factory-style appearance. Installation takes only minutes and seals the intake opening left after removing the factory resonator, making it a quick and effective upgrade for performance enthusiasts looking to improve airflow and simplify their engine bay layout.
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Key Features
- CNC machined billet aluminum construction
- Durable black anodized finish
- Direct replacement for factory intake resonator
- Creates a cleaner intake path
- Improves engine bay appearance
- Simple bolt-in installation
- Designed specifically for L5P Duramax engines
Fitment
- 2017 Chevrolet Silverado 2500HD / 3500HD 6.6L Duramax L5P
- 2018 Chevrolet Silverado 2500HD / 3500HD 6.6L Duramax L5P
- 2019 Chevrolet Silverado 2500HD / 3500HD 6.6L Duramax L5P
- 2020 Chevrolet Silverado 2500HD / 3500HD 6.6L Duramax L5P
- 2021 Chevrolet Silverado 2500HD / 3500HD 6.6L Duramax L5P
- 2022 Chevrolet Silverado 2500HD / 3500HD 6.6L Duramax L5P
- 2023 Chevrolet Silverado 2500HD / 3500HD 6.6L Duramax L5P
- 2024 Chevrolet Silverado 2500HD / 3500HD 6.6L Duramax L5P
- 2017-2024 GMC Sierra 2500HD / 3500HD 6.6L Duramax L5P
Installation Note: This plug installs directly after removing the factory intake resonator chamber. No permanent modifications are required.
Frequently Asked Questions
What does the intake resonator do?
The factory intake resonator is designed to reduce intake noise and vibration. Removing it allows for a cleaner intake path and slightly improved airflow.
Will this plug fit stock intake systems?
Yes. The Wehrli WCF100473 resonator delete plug is designed to work with the factory intake system on L5P Duramax trucks.
Does this increase horsepower?
While the primary benefit is engine bay appearance and airflow simplification, removing the intake resonator can contribute to improved airflow and responsiveness when paired with other intake upgrades.
Is installation difficult?
No. Installation typically takes less than 10 minutes using basic hand tools.
Will this affect emissions systems?
No. The resonator delete plug does not interfere with emissions equipment.
Specifications for WEHRLI CUSTOM FAB WCF100473
| Specification | Details |
|---|---|
| Brand | Wehrli Custom Fabrication |
| Part Number | WCF100473 |
| UPC | Not Listed by Manufacturer |
| GTIN | Not Listed |
| Shipping Weight | 1 lb |
| Package Dimensions | 6 x 6 x 4 inches |
| Shipping Method | UPS / FedEx Ground |
| Prop 65 Warning | This product may contain chemicals known to the State of California to cause cancer or reproductive harm. For more information visit https://www.P65Warnings.ca.gov |
