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Wehrli High Flow Intake Bundle Kit Stage 2 | Chevrolet 6.6L L5P Duramax (17-19) (WCF100441-IP)

Wehrli High Flow Intake Bundle Kit Stage 2 | Chevrolet 6.6L L5P Duramax (17-19) (WCF100441-IP)

SKU:WCF100441-IP

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Regular price $1,543.53 USD
Regular price $1,600.00 USD Sale price $1,543.53 USD
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The Wehrli 17-19 Chevrolet 6.6L L5P Duramax High Flow Intake Bundle Kit Stage 2 in Illusion Purple is a performance upgrade designed to enhance airflow and engine efficiency. This kit features a high-flow intake system with OEM diameter components, optimized for increased horsepower and throttle response. The inclusion of a 4-inch turbo inlet, high-quality hardware, silicone boot, seals, and stainless steel T-bolt clamps ensures durability and reliable performance under demanding conditions. The removable air box lid element allows for easy inspection and maintenance of the WCFab filter, which is protected by a hydrophobic pre-filter cover to prevent contaminants from reaching the MAF sensor, turbo, and engine airways. This setup is engineered to maximize airflow while maintaining a secure, leak-free connection.

Designed specifically for 2017 to 2019 Chevrolet Silverado and GMC Sierra models equipped with the 6.6L L5P Duramax engine, this intake bundle is a direct replacement for the factory system. It is ideal for use in towing, daily driving, or performance applications where improved airflow and power gains are desired. The kit is easy to install with included hardware and seals, providing a bolt-on upgrade that enhances engine breathing. Compatibility with stock or aftermarket tuning is recommended to fully realize the 25 horsepower gain observed with a Max Effort Tune. This intake bundle is suitable for enthusiasts seeking increased performance and reliability in their diesel trucks.

Overview

Wehrli High Flow Intake Bundle Kit

Fits 2017–2019 Chevrolet 6.6L L5P Duramax

Part #: WCF100441-IP

Overview

The Wehrli 17-19 Chevrolet 6.6L L5P Duramax High Flow Intake Bundle Kit Stage 2 is a comprehensive upgrade designed to enhance your diesel truck’s airflow and performance. Crafted for enthusiasts seeking increased horsepower and improved throttle response, this kit combines high-quality components to support your vehicle’s demanding applications. Whether you're aiming for better engine efficiency or a more aggressive sound, this intake bundle is engineered to meet those needs with durability and ease of installation in mind. This kit is ideal for owners looking to optimize their Duramax’s intake system, especially when paired with performance tuning. It helps maximize airflow, reduce restrictions, and maintain engine cleanliness, all while supporting the vehicle’s power output and reliability during heavy-duty use.

Key Features

This intake bundle features premium materials and thoughtful design to deliver reliable performance and ease of maintenance. Key features include:
  • High-quality silicone boot and stainless steel T-bolt clamps for secure, durable connections
  • Removable air box lid with visual inspection window for easy filter monitoring
  • Hydrophobic pre-filter cover to protect the main filter from contaminants
  • Critical ram air duct seal to optimize airflow and reduce turbulence
  • OEM diameter design to ensure compatibility and seamless fitment
  • Sturdy hardware and seals for long-lasting durability
  • Designed to support a 25HP gain when used with a Max Effort Tune

Construction & Design

Constructed with high-grade silicone and stainless steel components, this intake kit emphasizes durability and resistance to heat and wear. The removable lid allows for quick inspection and maintenance, while the sealed ram air duct ensures maximum airflow efficiency. The design focuses on reducing turbulence and maintaining optimal air delivery to the turbocharger, supporting improved engine response and power.

Driving Feel & Feedback

This intake system helps enhance throttle response and engine sound, providing a more engaging driving experience. The increased airflow supports better combustion efficiency, which can translate into noticeable improvements in power delivery and responsiveness during acceleration.

Installation & Fitment

Designed specifically for 2017–2019 Chevrolet models with the 6.6L L5P Duramax engine, this kit offers straightforward installation with included hardware. Proper fitment ensures a secure seal and optimal performance, making it suitable for DIY enthusiasts and professional installers alike.

What’s Included

The package includes all necessary hardware, silicone boots, seals, and filters needed to complete the intake upgrade, along with the hydrophobic pre-filter cover for added protection and maintenance convenience.

Ideal For

Perfect for diesel truck owners seeking to boost horsepower, improve airflow, and enhance engine longevity. This kit is suitable for those who want a reliable, high-performance intake upgrade that supports tuning and heavy-duty driving conditions.
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