Product Description
Improve airflow, durability, and boost reliability on your 2013-2018 Ram 6.7L Cummins with the WEHRLI CUSTOM FAB WCF100434 DRIVER SIDE 3.5" INTERCOOLER PIPE KIT. Designed to replace the restrictive factory plastic intercooler piping, this high-performance upgrade features mandrel-bent aluminum tubing and high-quality silicone couplers to handle increased boost pressure from tuned or modified diesel trucks.
Factory intercooler piping on late-model Cummins trucks can become a restriction under higher boost levels and may even crack or fail when exposed to elevated pressures. Wehrli Custom Fabrication engineered this kit to provide a stronger and larger diameter airflow path using a 3.5-inch performance intercooler pipe that improves charge-air flow while maintaining reliable sealing under heavy boost loads.
This kit is ideal for trucks running upgraded turbochargers, aftermarket tuning, or performance intake systems where increased airflow demand requires stronger and higher-capacity charge piping. The precision fabricated aluminum construction ensures long-term durability and improved performance under both towing and high-horsepower applications.
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Key Features
- 3.5" high-flow mandrel-bent aluminum intercooler piping
- Replaces restrictive factory driver-side intercooler pipe
- Improved airflow for tuned or modified Cummins trucks
- High-strength silicone couplers and heavy-duty clamps
- Designed for high boost applications
- Precision engineered by Wehrli Custom Fabrication
- Direct bolt-on installation
Fitment
- 2013 Ram 2500 6.7L Cummins
- 2014 Ram 2500 6.7L Cummins
- 2015 Ram 2500 6.7L Cummins
- 2016 Ram 2500 6.7L Cummins
- 2017 Ram 2500 6.7L Cummins
- 2018 Ram 2500 6.7L Cummins
- 2013 Ram 3500 6.7L Cummins
- 2014 Ram 3500 6.7L Cummins
- 2015 Ram 3500 6.7L Cummins
- 2016 Ram 3500 6.7L Cummins
- 2017 Ram 3500 6.7L Cummins
- 2018 Ram 3500 6.7L Cummins
Frequently Asked Questions
What does the driver-side intercooler pipe do?
The driver-side pipe routes compressed air from the intercooler back toward the engine intake system. Upgrading this pipe improves airflow and reliability under higher boost pressure.
Why upgrade the factory intercooler piping?
Factory plastic pipes can become restrictive or fail under higher boost levels from tuning or turbo upgrades. Aluminum piping provides improved airflow and durability.
Is this kit compatible with aftermarket turbochargers?
Yes. The larger 3.5" diameter design is intended to support increased airflow demands from upgraded turbo systems and performance tuning.
Does this kit require tuning?
No tuning is required for installation, but trucks with aftermarket tuning will benefit most from the increased airflow capacity.
Is installation difficult?
Installation is straightforward and typically takes about one hour with basic hand tools.
Specifications for WEHRLI CUSTOM FAB WCF100434
| Specification | Details |
|---|---|
| Brand | Wehrli Custom Fabrication |
| Part Number | WCF100434 |
| UPC | Not Listed by Manufacturer |
| GTIN | Not Listed |
| Shipping Weight | Approx. 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 |
