Wehrli Intake Kit

Fits 2004.5–2005 GM Duramax LLY 6.6L

Part #: WCF100301-CR

Overview

The Wehrli 04.5-05 Duramax LLY Stage 2 Intake Kit is a high-performance upgrade designed specifically for diesel enthusiasts seeking to maximize their engine’s airflow and efficiency. Crafted from durable fabricated aluminum, this intake system replaces the restrictive factory plastic components with a sleek, high-flow design that enhances your vehicle’s breathing capability. The kit includes an air box enclosure and a dry filter assembly, ensuring your engine receives clean, cold air for optimal combustion. Perfect for those looking to improve horsepower, torque, and throttle response, this intake kit is an essential upgrade for serious diesel owners who demand more from their trucks.

Key Features

This intake system is engineered to support increased airflow and engine performance while maintaining durability and reliability. Key features include:

• High-flow fabricated aluminum pipe for improved air delivery
• Enclosed air box with a cold air intake design to draw cooler air from outside the engine bay
• Dry filter assembly for easy maintenance and long-lasting filtration
• Significantly reduces intake restrictions for better turbo response
• All components are designed for a direct bolt-on installation
• Enhanced engine sound and a more aggressive intake tone
• Durable construction to withstand harsh engine bay conditions

Construction & Design

The intake kit features precision-machined aluminum components that are lightweight yet robust, ensuring longevity and resistance to heat and corrosion. The design emphasizes efficient airflow paths and a sealed enclosure to prevent dirt and debris from entering the engine. The cold air intake setup helps lower intake temperatures, supporting more consistent power delivery and improved engine efficiency.

Driving Feel & Feedback

Installing this intake kit can lead to noticeable improvements in throttle response and overall engine responsiveness. The increased airflow supports better combustion, resulting in a more immediate and satisfying driving experience. The enhanced intake sound adds an engaging auditory element without excessive noise, making your diesel feel more lively and responsive.

Installation & Fitment

Designed for a straightforward bolt-on installation, this kit is compatible with 2004.5-2005 GM Duramax LLY models. Basic mechanical skills and standard tools are recommended for proper fitment. The kit includes all necessary hardware and instructions to facilitate a hassle-free upgrade.

What’s Included

The package includes the fabricated aluminum intake pipe, air box enclosure, dry filter assembly, and all mounting hardware required for installation.

Ideal For

This intake kit is ideal for diesel enthusiasts looking to improve their truck’s performance, response, and sound. It’s perfect for those who want a durable, high-quality upgrade that supports increased power output and engine efficiency.