Product Description
Improve airflow and eliminate restrictive factory piping with the WEHRLI CUSTOM FAB WCF100381 3.5" PASSENGER SIDE INTERCOOLER PIPE KIT designed specifically for the 2020-2024 L5P Duramax. This high-performance charge pipe replaces the factory cold-side intercooler pipe with a larger 3.5-inch mandrel-bent aluminum pipe to support increased airflow, improved turbo response, and greater reliability under higher boost conditions.
The Wehrli Custom Fabrication intercooler pipe kit is engineered for performance and durability. The larger diameter piping reduces airflow restriction between the intercooler and intake system while improving boost efficiency. The kit includes premium multi-ply silicone boots and heavy-duty T-bolt clamps to ensure leak-free operation even under aggressive tuning and elevated boost levels.
Hidden SEO Tags: L5P Duramax intercooler pipe upgrade, Wehrli Custom Fabrication intercooler piping kit, Duramax cold side charge pipe upgrade, L5P turbo airflow upgrade pipe kit, Wehrli performance intercooler piping, Duramax high flow charge pipe kit.
Key Features
- Large 3.5" mandrel-bent aluminum intercooler pipe
- Improves airflow between intercooler and intake
- Reduces boost restriction compared to factory piping
- Heavy-duty multi-ply silicone boots included
- T-bolt clamps for secure, leak-free connections
- Improves reliability for tuned or high boost L5P trucks
- Direct bolt-on installation
Fitment
- 2020 Chevrolet Silverado 2500HD 6.6L Duramax L5P
- 2020 Chevrolet Silverado 3500HD 6.6L Duramax L5P
- 2021 Chevrolet Silverado 2500HD 6.6L Duramax L5P
- 2021 Chevrolet Silverado 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
- 2020-2024 GMC Sierra 2500HD / 3500HD 6.6L Duramax L5P
Installation Note: This kit replaces the factory passenger side (cold side) intercooler pipe and is compatible with both stock and upgraded intercoolers.
Frequently Asked Questions
What does the passenger side intercooler pipe do?
The passenger side pipe carries compressed air from the intercooler to the intake system. Increasing its diameter helps improve airflow and reduce boost restriction.
Will this improve turbo response?
Yes. The larger 3.5" diameter piping allows more airflow and reduces pressure drop, which can improve turbo efficiency and throttle response.
Is this kit compatible with stock turbochargers?
Yes. This pipe kit works with both the factory turbocharger and most aftermarket turbo upgrades.
Does this require tuning?
No tuning is required for installation. However, trucks with performance tuning or upgraded turbos benefit most from the increased airflow.
Does this include boots and clamps?
Yes. The kit includes high-quality silicone boots and heavy-duty T-bolt clamps for secure installation.
Specifications for WEHRLI CUSTOM FAB WCF100381
| Specification | Details |
|---|---|
| Brand | Wehrli Custom Fabrication |
| Part Number | WCF100381 |
| UPC | Not Listed by Manufacturer |
| GTIN | Not Listed |
| Pipe Diameter | 3.5 Inches |
| Material | Mandrel Bent Aluminum |
| Shipping Weight | Approx. 7 lbs |
| Package Dimensions | 24 x 12 x 8 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 |
