Wehrli Duramax L5P High Flow Intake Horn

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

Part #: WCF100775-BB

Overview

The Wehrli 17-24 Duramax L5P High Flow Intake Horn is a high-performance upgrade designed specifically for 2017 to 2024 Chevrolet Silverado and GMC 2500/3500 HD trucks equipped with the 6.6L Duramax Diesel engine. Crafted from cast aluminum, this intake horn replaces the factory plastic turbo inlet, offering a significant increase in airflow capacity. Its robust construction ensures durability and heat resistance, supporting improved engine response and efficiency. This product is ideal for enthusiasts looking to optimize their turbocharger’s performance and enhance throttle responsiveness while maintaining a sleek, custom appearance.

Key Features

This high flow intake horn features a precision-cast aluminum design that maximizes airflow and durability. It is custom powder coated in your choice of color, including Bengal Blue, to match your vehicle’s aesthetic. The intake horn includes a billet aluminum port for easy connection to the PCV system, ensuring a secure and reliable fit. Designed to replace the restrictive OEM component, it helps improve turbocharger efficiency and overall engine breathing. The large diameter opening supports increased airflow, which can contribute to better throttle response and engine performance under load.

Construction & Design

Constructed from high-quality cast aluminum, this intake horn is engineered for strength and heat resistance. Its smooth internal surfaces promote optimal airflow, reducing turbulence and pressure loss. The custom powder coating not only enhances visual appeal but also provides additional protection against corrosion and heat.

Installation & Fitment

The Wehrli Duramax L5P Intake Horn is designed as a direct replacement for the OEM plastic turbo inlet. Installation typically involves removing the factory component and securing the new intake horn in place, making it suitable for DIY enthusiasts with basic mechanical skills. Proper fitment ensures a tight seal and optimal airflow performance.

What’s Included

The package includes the cast aluminum intake horn with your selected color finish and the billet aluminum port for PCV connection. Hardware required for installation is typically included, ensuring a straightforward upgrade process.