Product Description
The WEHRLI CUSTOM FAB WCF100360 4" STAGE 2 INTAKE KIT WITH AIR BOX is a premium airflow upgrade engineered specifically for the 2017-2019 L5P Duramax. Designed and fabricated by Wehrli Custom Fabrication, this high-performance intake system replaces the restrictive factory intake with a large-diameter 4-inch aluminum intake tube and sealed air box system to dramatically improve airflow, turbo efficiency, and overall engine performance.
The Stage 2 intake kit is designed for serious Duramax enthusiasts who want increased airflow capacity while maintaining proper engine protection. Featuring precision-fabricated aluminum components, a high-flow performance air filter, and a sealed air box design, this system improves throttle response, supports higher horsepower levels, and reduces turbocharger restriction under heavy load or towing conditions.
Hidden SEO Tags: L5P Duramax intake upgrade, Wehrli custom fab intake kit, 4 inch duramax intake system, L5P cold air intake upgrade, duramax airflow performance kit, Wehrli intake kit L5P diesel truck performance, high flow intake for 6.6L Duramax L5P engines.
Key Features
- Large 4" aluminum intake tube for improved airflow
- Stage 2 sealed air box design for optimal filtration and airflow
- High-flow performance air filter included
- Improved turbocharger efficiency and spool response
- Heavy-duty powder-coated intake components
- Direct bolt-on installation with factory mounting points
- Designed specifically for 2017-2019 L5P Duramax trucks
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
- 2017 GMC Sierra 2500HD / 3500HD 6.6L Duramax L5P
- 2018 GMC Sierra 2500HD / 3500HD 6.6L Duramax L5P
- 2019 GMC Sierra 2500HD / 3500HD 6.6L Duramax L5P
Frequently Asked Questions
What improvements does this intake kit provide?
The Wehrli Stage 2 intake kit increases airflow to the turbocharger, improving throttle response, turbo spool time, and overall engine efficiency compared to the restrictive factory intake system.
Does this intake require tuning?
No tuning is required for installation. However, performance tuning can further maximize the airflow benefits of the upgraded intake system.
Is the air filter reusable?
Yes. The high-flow performance air filter included with the kit is washable and reusable with proper cleaning and maintenance.
Will this intake fit with factory emissions equipment?
Yes. The intake system is designed to work with factory emissions components while improving airflow and performance.
Is installation difficult?
This intake kit is designed as a direct bolt-on upgrade and can typically be installed in under an hour using basic hand tools.
Specifications for WEHRLI CUSTOM FAB WCF100360
| Specification | Details |
|---|---|
| Brand | Wehrli Custom Fabrication |
| Part Number | WCF100360 |
| UPC | Not Listed by Manufacturer |
| GTIN | Not Listed |
| Shipping Weight | Approximately 12 lbs |
| Package Dimensions | 24 x 16 x 12 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 |
