Wehrli Intake Horn

Fits 2020–2024 Chevrolet Silverado 2500HD and 3500HD with 6.6L L5P Duramax

Part #: WCF100833-GB

Overview

The Wehrli 3.5-inch Intake Horn is a high-performance upgrade designed specifically for the 2020-2024 Chevrolet Silverado and GMC Sierra models equipped with the 6.6L L5P Duramax engine. Crafted to replace the factory plastic intake horn, this component enhances airflow efficiency, supporting improved engine response and power output. Its sleek gloss black finish adds a refined aesthetic to your engine bay, making it a popular choice among enthusiasts seeking both form and function. This intake horn is ideal for those looking to optimize their turbocharged diesel engine’s performance without the need for complex tuning or modifications. Whether you’re a daily driver, a towing professional, or a performance enthusiast, this intake horn helps your vehicle breathe better, potentially unlocking additional horsepower and torque. Its straightforward, plug-and-play installation makes it accessible for DIY enthusiasts and professional installers alike, ensuring a seamless upgrade that supports your vehicle’s performance goals.

Key Features

Designed to improve airflow and engine response, the Wehrli Intake Horn features a larger 3.5-inch diameter compared to the OEM plastic component. Constructed from durable materials, it withstands high temperatures and engine bay conditions, ensuring long-lasting performance. The smooth internal surface minimizes turbulence, promoting more efficient air delivery to the turbocharger. Its OEM-style fitment guarantees a perfect, secure installation with no modifications required. This upgrade is compatible with factory tune and tuner-based calibration, making it a versatile addition to your diesel performance setup.

Construction & Design

Manufactured with high-quality, heat-resistant materials, the Wehrli Intake Horn features a sleek gloss black finish that resists fading and corrosion. Its precise engineering ensures a perfect fit with the factory turbo and intake system, maintaining the integrity of your vehicle’s airflow path. The design emphasizes durability and optimal airflow, supporting the engine’s efficiency and longevity.

Performance & Response

This intake horn helps improve airflow dynamics, resulting in a more responsive throttle and increased power potential. The larger diameter reduces restrictions, allowing the turbocharger to operate more efficiently. Many users report noticeable gains in horsepower and torque, especially when combined with tuning, although tuning is not required for basic operation. The upgrade also supports better heat management within the engine bay, contributing to more consistent performance under demanding conditions.

Installation & Fitment

The Wehrli Intake Horn is designed for straightforward installation, fitting directly in place of the OEM component. No additional modifications or specialized tools are necessary, making it an accessible upgrade for DIY enthusiasts and professional mechanics alike. Simply remove the factory intake horn and replace it with this high-performance component for immediate benefits.

What’s Included

The package includes the 3.5-inch intake horn in gloss black finish, ready for installation. Hardware and mounting accessories are included to ensure a secure fit.