Wehrli Intake Horn

Fits 2017–2019 Chevrolet 6.6L L5P Duramax

Part #: WCF100721-GW

Overview

The Wehrli 3.5-inch Intake Horn is a high-performance upgrade designed specifically for the 2017-2019 Chevrolet L5P Duramax equipped with a factory-style turbo. Crafted with precision and durability in mind, this intake horn replaces the OEM plastic component, offering a larger diameter to enhance airflow and improve engine response. It is ideal for truck enthusiasts seeking to optimize their vehicle’s performance without the need for complex tuning. The sleek gloss white finish adds a refined aesthetic to your engine bay, making it a functional yet stylish upgrade for your diesel truck. This intake horn is engineered to support increased airflow, which can contribute to noticeable power gains and improved throttle response. Its straightforward, plug-and-play installation allows for quick upgrades that do not require tuning, making it accessible for both seasoned mechanics and DIY enthusiasts. Designed to withstand the rigors of high-performance driving, this component helps ensure reliable operation and consistent airflow under demanding conditions.

Key Features

Designed to maximize airflow and engine efficiency, the Wehrli Intake Horn features a 3.5-inch diameter that replaces the OEM 2.4-inch plastic horn. Constructed from high-quality materials, it offers durability and resistance to heat and engine bay elements. The smooth internal surface promotes unrestricted airflow, supporting optimal turbo performance. Its OEM-style fitment ensures a seamless installation process, maintaining factory connections and mounting points. The gloss white finish not only enhances the visual appeal but also provides added protection against corrosion and heat.

Construction & Design

Manufactured from durable, high-grade plastic, this intake horn is engineered to withstand the high temperatures and vibrations typical of diesel engine bays. Its precise design ensures a perfect fit with the factory turbo system, maintaining the integrity of your vehicle’s airflow path. The smooth internal surface minimizes turbulence, supporting efficient air delivery to the engine.

Driving Feel & Feedback

Upgrading to this larger intake horn can improve throttle response and engine sound, providing a more engaging driving experience. The increased airflow capacity supports better combustion efficiency, which may translate into improved power delivery and responsiveness during acceleration.

Installation & Fitment

The Wehrli Intake Horn is designed for straightforward installation with no tuning required. It replaces the OEM plastic horn directly, utilizing existing mounting points and connections. The process typically involves removing the factory component and securing the new intake horn in place, making it an accessible upgrade for most DIY enthusiasts and professional installers alike.