Wehrli Intercooler Pipe

2013–2018 Ram 2500 / 3500 6.7L Diesel

Part #: WCF100434-IBB

Overview

The Wehrli 3.5-inch Intercooler Pipe in Bengal Blue is a high-performance upgrade designed specifically for the 2013–2018 Ram 2500 and 3500 equipped with the 6.7L Cummins diesel engine. This driver side intercooler pipe replaces the restrictive factory unit, which is known for its small diameter and tendency to crush under boost pressure. By upgrading to a larger 3.5" diameter pipe, this kit significantly improves airflow, enhancing turbo efficiency and overall engine response.

Built for diesel enthusiasts seeking increased reliability and performance, the Wehrli intercooler pipe also includes premium silicone boots engineered to withstand higher temperatures and boost pressures than the factory components. This upgrade eliminates common issues such as blown or leaking factory boots, ensuring consistent performance under demanding conditions.

Key Features

This intercooler pipe kit combines durable materials and thoughtful engineering to deliver a reliable and effective upgrade for your Ram diesel truck:

• 3.5-inch diameter pipe for improved airflow and reduced turbo lag
• Driver side intercooler pipe designed to replace the factory pipe directly
• High-quality silicone boots rated for higher pressure and temperature tolerance
• Powder-coated finish in Bengal Blue for corrosion resistance and visual appeal
• Eliminates factory pipe crushing and boost leaks for enhanced reliability
• Precision fitment for 2013–2018 Ram 2500 and 3500 6.7L Cummins diesel engines
• Improves turbocharger efficiency and intercooler performance
• Durable construction designed for long-lasting use in demanding diesel applications

Construction & Design

The Wehrli intercooler pipe is crafted from robust materials engineered to withstand the harsh conditions of diesel performance applications. The pipe features a smooth, mandrel-bent design that minimizes airflow restrictions and turbulence, promoting efficient turbocharger operation. The powder-coated Bengal Blue finish not only adds a distinctive look under the hood but also protects against corrosion and environmental wear.

Included silicone boots are manufactured from high-grade silicone compounds that resist heat degradation and maintain flexibility under high boost pressures. This ensures a secure, leak-free seal between the intercooler and piping, preventing common failure points found in factory setups.

Installation & Fitment

Installation of the Wehrli 3.5-inch Intercooler Pipe is straightforward and designed to be a direct replacement for the factory driver side pipe on 2013–2018 Ram 2500 and 3500 trucks with the 6.7L Cummins engine. No major modifications or additional fabrication are required, making it an accessible upgrade for professional installers and experienced enthusiasts alike. The kit includes all necessary silicone boots and clamps to ensure a secure fit and reliable performance.

What's Included

• One 3.5-inch diameter driver side intercooler pipe
• High-quality silicone boots rated for increased pressure and temperature
• All necessary clamps and hardware for installation

Ideal For

This intercooler pipe kit is ideal for Ram 2500 and 3500 owners looking to improve their truck’s turbo efficiency, reduce boost leaks, and enhance overall diesel performance. It is especially suited for those who frequently tow, haul heavy loads, or participate in diesel performance tuning and upgrades. The durable construction and upgraded silicone boots also make it a reliable choice for daily drivers seeking long-term dependability.

Wehrli Custom Fabrication (WCFab) is a diesel performance and metal fabrication specialist building upgraded hard parts and engineered solutions for Duramax, Cummins, and Power Stroke trucks. Known for high-quality fabrication and truck-focused product development, WCFab supports everything from tow rigs to race-oriented diesel builds where durability, airflow, and heat management matter.