Wehrli High Flow Intake Bundle Kit

Fits 2020–2024 Chevrolet Silverado 2500HD / 3500HD and GMC Sierra 2500HD / 3500HD with 6.6L L5P Duramax Engine

Part #: WCF100414-RED

Overview

The Wehrli High Flow Intake Bundle Kit is a comprehensive upgrade designed for diesel truck enthusiasts seeking improved airflow and performance. Crafted specifically for 2020 to 2024 Chevrolet Silverado 2500HD / 3500HD and GMC Sierra 2500HD / 3500HD models equipped with the 6.6L L5P Duramax engine, this kit enhances your vehicle’s intake system for better response and efficiency. It is ideal for those looking to support increased power output, optimize turbo performance, and maintain engine cleanliness with high-quality components that are built to last.

Key Features

• High-quality hardware including stainless steel t-bolt clamps for durability
• Silicone boots and seals designed for a secure, leak-free connection
• Removable air box lid for easy inspection and maintenance of the filter
• Hydrophobic pre-filter cover to protect the MAF sensor and turbo from contaminants
• Heavy-duty 14-gauge aluminum intercooler pipes with smooth mandrel bends for increased airflow
• Upgraded 3-inch driver side and 3.5-inch passenger side intercooler pipes for improved flow and reliability
• Designed to support performance tuning and turbo inlet upgrades

Construction & Design

This intake bundle features high-strength, heavy-duty aluminum tubing with precise mandrel bends, ensuring optimal airflow and durability. The silicone boots and stainless steel clamps provide a secure fit and resistance to heat and vibration, making installation straightforward and reliable. The removable air box lid allows for quick filter inspection, while the hydrophobic pre-filter cover helps keep critical engine components free from dirt and debris, supporting long-term performance and maintenance.

Performance & Response

Designed to maximize airflow after the turbo, this kit helps support a noticeable increase in horsepower and throttle response when paired with appropriate tuning. The upgraded intercooler pipes reduce restrictions and improve charge air delivery, contributing to more efficient engine operation and enhanced driving experience. The robust construction ensures consistent performance under demanding conditions, making it suitable for both daily driving and performance applications.

Installation & Fitment

The kit is engineered for a direct bolt-on installation on compatible Silverado and Sierra models with the L5P Duramax engine. It includes all necessary hardware for a straightforward upgrade, with components designed to integrate seamlessly with your vehicle’s existing intake and intercooler system.

What’s Included

The package includes high-flow intake components, intercooler pipes, hardware, clamps, and filters, providing everything needed for a complete upgrade.