Wehrli Intake Horn

Fits 2017–2019 Chevrolet 6.6L L5P Duramax

Part #: WCF100721-RED

Overview

The Wehrli 3.5-inch Intake Horn is designed specifically for the 2017-2019 Chevrolet L5P Duramax equipped with a factory-style turbo. This high-performance intake component replaces the OEM plastic intake horn, which measures only 2.4 inches in diameter, with a larger, more efficient design that supports improved airflow and engine response. Crafted for enthusiasts seeking to maximize their truck’s potential, this intake horn helps enhance throttle response and overall engine efficiency without requiring additional tuning. Its straightforward, plug-and-play installation makes it an ideal upgrade for those looking to boost performance with minimal effort. Whether you’re a daily driver, a towing professional, or a performance enthusiast, this intake horn is engineered to support your vehicle’s power delivery and durability. The increased diameter promotes better airflow into the turbocharger, which can contribute to noticeable gains in horsepower and torque, especially when paired with tuning. Its robust construction ensures long-lasting performance, even under demanding conditions, making it a reliable upgrade for your Duramax.

Key Features

This intake horn features a precision-machined design with a durable, high-quality finish that complements your engine bay. Its primary benefits include improved airflow dynamics, enhanced throttle response, and a straightforward installation process. The larger 3.5-inch diameter helps reduce air restriction, supporting better engine breathing and potential power gains. The component is designed to fit seamlessly with the factory turbo and intake system, ensuring a secure and reliable connection.

• Constructed from durable materials designed to withstand high temperatures and engine vibrations
• Increases intake diameter from OEM 2.4 inches to 3.5 inches for improved airflow
• Supports horsepower gains without requiring additional tuning
• Easy bolt-on installation with plug-and-play compatibility
• Enhances throttle response and engine efficiency
• Finished in a striking red color for a bold, performance-oriented look

Construction & Design

The Wehrli Intake Horn is crafted from high-quality, heat-resistant materials that ensure durability and consistent performance. Its design features smooth internal surfaces to minimize airflow turbulence and maximize intake efficiency. The vibrant red finish not only adds a sporty aesthetic but also provides corrosion resistance, helping maintain its appearance over time.

Driving Feel & Feedback

This intake upgrade helps your vehicle breathe better, resulting in more immediate throttle response and a more engaging driving experience. While it does not alter engine sound significantly, the improved airflow can contribute to a subtle enhancement in engine tone during acceleration.

Installation & Fitment

Designed for a direct bolt-on upgrade, the Wehrli Intake Horn requires no modifications or tuning for installation. Simply remove the OEM plastic horn and replace it with this larger, more efficient component. The process is straightforward and can typically be completed within minutes, making it accessible for DIY enthusiasts.

What’s Included

The package includes the custom-designed intake horn in a striking red finish, ready to install on your 2017-2019 Chevrolet L5P Duramax. Hardware and mounting accessories are included to ensure a secure fit.