Product Description
Improve airflow, turbo efficiency, and overall engine performance with the WEHRLI CUSTOM FAB WCF100441 STAGE 2 HIGH FLOW INTAKE BUNDLE KIT designed specifically for the 2017-2019 L5P Duramax platform. Engineered by Wehrli Custom Fabrication, this Stage 2 intake bundle eliminates restrictive factory components and replaces them with a high-flow intake system built to maximize airflow to the turbocharger.
The WCF100441 bundle combines Wehrli’s precision fabricated intake components with a high-performance air filtration system to significantly improve airflow, turbo spool-up, and horsepower potential. By reducing intake restriction and smoothing airflow into the turbocharger, this kit helps the L5P Duramax operate more efficiently under heavy load, towing, or performance driving conditions.
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Key Features
- Stage 2 high-flow intake bundle designed for the L5P Duramax
- Significantly improves airflow to the turbocharger
- High-performance reusable air filter
- Large diameter intake tubing for maximum airflow
- Improves turbo spool-up and throttle response
- Designed for performance builds and heavy towing applications
- Direct bolt-on installation with factory mounting locations
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 does the Stage 2 intake bundle include?
The Stage 2 intake bundle includes Wehrli’s high-flow intake tubing, performance air filter, and associated installation hardware designed to significantly improve airflow into the L5P turbocharger.
How much horsepower can an intake upgrade add?
While intake upgrades alone typically provide modest horsepower gains, they significantly improve airflow efficiency and turbo response, especially when paired with tuning, exhaust upgrades, or turbo modifications.
Is tuning required after installing this intake?
No tuning is required. The intake system is designed to work with factory engine management systems.
Does this intake improve turbo spool?
Yes. The high-flow intake design reduces airflow restriction, allowing the turbocharger to spool more efficiently.
Is this intake suitable for towing applications?
Yes. Improved airflow and reduced restriction help maintain engine efficiency under heavy towing loads.
Specifications for WEHRLI CUSTOM FAB WCF100441
| Specification | Details |
|---|---|
| Brand | Wehrli Custom Fabrication |
| Part Number | WCF100441 |
| UPC | Not Listed by Manufacturer |
| GTIN | Not Listed |
| Shipping Weight | Approx. 15 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 |
