Product Description
Improve boost flow and eliminate restrictive factory piping with the WEHRLI CUSTOM FAB WCF100530 PASSENGER SIDE 3.5IN INTERCOOLER PIPE for the 2017-2019 GM 6.6L L5P Duramax. Designed to replace the restrictive OEM passenger side charge pipe, this performance upgrade increases airflow capacity and improves turbocharger efficiency for both stock and modified trucks.
Manufactured by Wehrli Custom Fabrication, this intercooler pipe features precision mandrel-bent aluminum construction and increased diameter for improved airflow between the turbocharger and intercooler system. The larger 3.5-inch design reduces pressure drop, supports higher boost levels, and enhances overall engine performance while maintaining OEM-style fitment.
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Key Features
- High-flow 3.5 inch intercooler piping design
- Mandrel bent aluminum construction for improved airflow
- Direct replacement for factory passenger side intercooler pipe
- Supports increased boost levels for performance builds
- Improves turbocharger efficiency and airflow capacity
- Precision engineered by Wehrli Custom Fabrication
- Durable powder coated finish for long term reliability
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 upgrading the intercooler pipe improve?
The larger 3.5 inch pipe reduces airflow restriction and pressure drop, helping the turbocharger move air more efficiently and maintain stable boost pressure.
Is this pipe compatible with stock turbo systems?
Yes. The Wehrli WCF100530 intercooler pipe is designed to work with both stock and upgraded turbocharger systems on L5P Duramax trucks.
Does this replace the driver side pipe as well?
No. This product replaces only the passenger side intercooler pipe. The driver side pipe is sold separately.
Will this help with tuned trucks?
Yes. Trucks running performance tuning or upgraded turbochargers benefit from improved airflow and reduced restriction provided by the larger intercooler pipe.
Is installation difficult?
Installation is straightforward using standard hand tools and factory mounting points. Professional installation is recommended for best results.
Specifications for WEHRLI CUSTOM FAB WCF100530
| Specification | Details |
|---|---|
| Brand | Wehrli Custom Fabrication |
| Part Number | WCF100530 |
| UPC | Not Listed by Manufacturer |
| GTIN | Not Listed |
| Shipping Weight | Approximately 8 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 |
