Product Description
Improve airflow and durability on your 2003-2007 Dodge Ram Cummins with the WEHRLI CUSTOM FAB WCF100359 3" DRIVER SIDE REPLACEMENT INTERCOOLER PIPE INTAKE KIT. This upgraded cold side charge pipe replaces the restrictive factory intercooler pipe with a high-flow 3-inch mandrel-bent aluminum pipe designed to improve turbocharger efficiency and reduce boost restriction.
The factory intercooler piping found on 5.9L Cummins trucks can become a bottleneck when airflow demands increase from larger turbos, tuning, or performance upgrades. Wehrli Custom Fabrication engineered this replacement pipe to increase airflow volume while maintaining smooth boost delivery and reliability under high boost pressure. The precision fabricated aluminum construction also improves durability compared to the factory plastic components.
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Key Features
- 3-inch mandrel-bent aluminum intercooler piping
- Direct replacement for factory driver side cold pipe
- Improves airflow and turbocharger efficiency
- Designed to support higher boost and performance builds
- High-quality fabrication from Wehrli Custom Fabrication
- Includes high-quality silicone boots and clamps
- Reduces boost restriction compared to factory piping
Fitment
- 2003 Dodge Ram 2500 / 3500 5.9L Cummins
- 2004 Dodge Ram 2500 / 3500 5.9L Cummins
- 2005 Dodge Ram 2500 / 3500 5.9L Cummins
- 2006 Dodge Ram 2500 / 3500 5.9L Cummins
- 2007 Dodge Ram 2500 / 3500 5.9L Cummins (5.9 engine only)
Performance Note: This upgraded intercooler pipe is ideal for trucks running performance tuning, upgraded turbos, or higher boost levels where the factory cold side pipe becomes restrictive.
Frequently Asked Questions
What does the driver side intercooler pipe do?
The driver side pipe carries compressed air from the intercooler to the intake manifold. Upgrading it improves airflow and reduces restrictions.
Will this fit stock turbo trucks?
Yes. The Wehrli WCF100359 intercooler pipe is designed as a direct replacement and works with both stock and upgraded turbochargers.
Is this pipe larger than the factory pipe?
Yes. The kit upgrades the system to a full 3-inch charge pipe for improved airflow compared to the factory piping.
Does the kit include boots and clamps?
Yes. The kit includes silicone couplers and high-quality clamps required for installation.
Is tuning required after installation?
No tuning is required, but trucks with upgraded turbos or tuning will benefit the most from the improved airflow.
Specifications for WEHRLI CUSTOM FAB WCF100359
| Specification | Details |
|---|---|
| Brand | Wehrli Custom Fabrication |
| Part Number | WCF100359 |
| UPC | Not Listed by Manufacturer |
| GTIN | Not Listed |
| Material | Mandrel Bent Aluminum |
| Pipe Diameter | 3 Inch |
| Shipping Weight | Approximately 8 lbs |
| Package Dimensions | 30 x 10 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 |
