Wehrli High Flow Intake Bundle Kit

Fits 2001–2004 Chevrolet 6.6L LB7 Duramax

Part #: WCF100712-IBB

Overview

The Wehrli 01-04 Chevrolet 6.6L LB7 Duramax High Flow Intake Bundle Kit is designed to enhance the airflow and performance of your diesel engine. Crafted for enthusiasts seeking improved horsepower, torque, and throttle response, this kit replaces the restrictive factory plastic components with a high-quality fabricated aluminum intake system. Its purpose-built design helps draw cooler, denser air from outside the engine bay, supporting optimal combustion and engine efficiency. Whether you're upgrading for increased power or better engine cooling, this intake bundle offers a reliable solution for your Duramax diesel.

Key Features

This intake kit features a durable aluminum construction with a large 4" diameter piping system that promotes smooth airflow. The aerodynamic bends minimize turbulence, ensuring maximum air delivery to your turbocharger. The dry filter assembly is designed for easy maintenance and long-lasting performance, providing consistent filtration without sacrificing airflow. The enclosure is engineered to fit seamlessly within your engine bay, integrating with existing components for a clean, professional appearance. The kit's design emphasizes durability, heat resistance, and optimized airflow, all aimed at supporting your vehicle’s performance needs.

Construction & Design

Constructed entirely from fabricated aluminum, this intake system features large diameter piping with smooth, aerodynamic bends that reduce airflow restrictions. The enclosure is precisely engineered to fit the factory mounting points, ensuring a straightforward installation process. The dry filter is designed for maximum filtration efficiency and ease of maintenance, with a focus on durability and resistance to engine bay heat.

Performance & Response

By increasing airflow to the turbocharger, this high flow intake helps improve throttle response and overall engine efficiency. The cooler intake air drawn through the inner fender reduces intake temperatures, supporting more consistent power delivery and engine longevity. The optimized design helps your Duramax diesel produce better horsepower and torque, making it ideal for towing, hauling, or performance upgrades.

Installation & Fitment

This kit is designed for a direct bolt-on installation on 2001–2004 Chevrolet 6.6L LB7 Duramax engines. It replaces the factory intake components with minimal modifications required, making it suitable for DIY enthusiasts and professional installers alike.

What’s Included

The bundle includes the fabricated aluminum intake pipe, air box enclosure, dry filter assembly, and all necessary mounting hardware for a complete upgrade.