Wehrli High Flow Intake Horn

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

Part #: WCF100775-GB

Overview

The Wehrli 17-24 Duramax L5P High Flow Intake Horn is a high-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, offering a more durable and efficient airflow pathway. Its larger diameter and high-flow design help optimize turbocharger intake, supporting improved throttle response and engine performance under demanding conditions. This product is ideal for truck enthusiasts seeking to enhance their vehicle’s airflow capacity and overall engine responsiveness while maintaining a sleek, custom appearance.

Key Features

Designed to maximize airflow and durability, the Wehrli Intake Horn features a cast aluminum construction that resists heat and corrosion. Its high-flow design reduces restrictions in the turbo inlet, supporting better engine breathing and potentially more consistent power delivery. The billet aluminum port allows for seamless connection to the PCV system, ensuring proper crankcase ventilation. Custom powder coating not only enhances aesthetics but also provides additional protection against the elements. Easy to install, this intake horn is a practical upgrade for those looking to improve their truck’s performance and reliability.

Construction & Design

Manufactured from high-quality cast aluminum, the intake horn is engineered for strength and heat resistance. The smooth internal surface minimizes turbulence, promoting efficient airflow from the turbocharger to the engine. The custom powder coating adds a personalized touch and extra durability, making it suitable for off-road and heavy-duty use.

Performance & Response

This high-flow intake horn helps increase airflow to the turbocharger, which can lead to improved throttle response and more efficient combustion. By reducing airflow restrictions, it supports the engine’s ability to produce power more effectively, especially under load or during towing.

Installation & Fitment

Designed as a direct replacement for the OEM plastic intake horn, installation is straightforward for those familiar with diesel truck modifications. Proper fitment is ensured for 2017-2024 Chevrolet Silverado and GMC Sierra HD models equipped with the 6.6L Duramax engine.

What’s Included

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

Ideal For

This upgrade is perfect for diesel truck owners looking to enhance airflow, improve throttle response, and add a custom touch to their vehicle’s engine bay. It’s suitable for both daily drivers and off-road enthusiasts seeking durability and performance.