Wehrli WCFab High Flow Intake Horn

Fits 2017–2024 Chevrolet Silverado and GMC Sierra 2500/3500 HD with Duramax 6.6L Diesel

Part #: WCF100775-RED

Overview

The Wehrli WCFab High Flow Intake Horn is a performance upgrade designed specifically for 2017-2024 Chevrolet Silverado and GMC Sierra HD trucks equipped with the 6.6L Duramax Diesel engine. Crafted from cast aluminum and custom powder coated in your choice of color, this intake horn replaces the factory plastic turbo inlet to maximize airflow to your turbocharger. The result is an improved throttle response and potentially enhanced engine efficiency, making it an ideal choice for enthusiasts seeking to optimize their truck’s performance and durability under demanding conditions. This high-flow intake horn is engineered to support increased airflow, helping your turbocharger operate more efficiently. Its robust construction ensures long-lasting durability, while the sleek powder-coated finish adds a custom aesthetic to your engine bay. Whether you're upgrading for performance, reliability, or a personalized look, this intake horn is designed to meet the needs of serious diesel truck owners.

Key Features

This intake horn features a large 4-inch diameter cast aluminum construction that provides a significant airflow advantage over OEM plastic components. Its design helps reduce restrictions in the intake path, supporting better turbo response and potentially improved power delivery. The billet aluminum port allows for seamless connection to the PCV system, ensuring proper crankcase ventilation. The custom powder coating not only enhances durability but also offers a personalized touch to match your truck’s style. Easy to install with a direct bolt-on fit, this intake horn is a practical upgrade for those looking to boost their diesel truck’s performance and appearance.

Construction & Design

Manufactured from high-quality cast aluminum, this intake horn is designed for maximum strength and heat resistance. The precision casting process ensures a smooth internal surface for optimal airflow, while the powder coating provides corrosion resistance and a customizable aesthetic.

Installation & Fitment

Designed as a direct replacement for the OEM plastic turbo inlet, this intake horn installs easily without modifications. It includes all necessary hardware and fittings for a straightforward upgrade, making it suitable for DIY enthusiasts and professional installers alike.

What’s Included

The package includes the high-flow cast aluminum intake horn, billet aluminum port for PCV connection, and all mounting hardware required for installation.

Ideal For

Perfect for diesel truck owners looking to improve turbo response, airflow, and engine durability while adding a personalized touch to their engine bay. This upgrade is suitable for those who demand reliable performance and a custom appearance from their vehicle.