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K&N 20-26 GM Heavy Duty 6.6L Diesel NextGen Dry Flow Cold Air Intake

K&N 20-26 GM Heavy Duty 6.6L Diesel NextGen Dry Flow Cold Air Intake

SKU:50-3119D

In stock

Regular price $386.86 USD
Regular price $449.99 USD Sale price $386.86 USD
ADDITIONAL DISCOUNTS APPLIED AT CHECKOUT Sold out

The K&N 20-26 GM Heavy Duty 6.6L Diesel NextGen Dry Flow Cold Air Intake is a high-performance intake system engineered to enhance airflow and boost engine power without requiring a tune. Featuring a high-density polyethylene (HDPE) rotationally molded tube, this system increases airflow volume to improve horsepower and torque. It includes a washable, reusable Dryflow lifetime air filter made with oil-free synthetic media, designed for up to 50,000 miles between cleanings under normal highway conditions. The oversized, conical filter shape maximizes airflow while the custom NextGen air box protects the intake from engine bay heat. This durable, easy-to-maintain system typically installs in under 60 minutes, delivering reliable performance and longevity for heavy-duty diesel applications.

This intake system is specifically designed for 2020 to 2026 GM heavy-duty trucks equipped with the 6.6L diesel engine. It serves as a direct replacement for the factory air intake, providing a bolt-on installation process with no additional tuning required. Ideal for daily driving, towing, and heavy-duty use, the kit includes the HDPE intake tube, Dryflow air filter, and custom air box to ensure optimal fit and function. The system’s design focuses on durability and efficiency, making it suitable for both street and work environments where enhanced engine breathing and performance are desired.

Overview

K&N Engineering NextGen Dry Flow Cold Air Intake

Fits 2020–2026 GM Heavy Duty 6.6L Diesel Engines

Part #: 50-3119D

Overview

The K&N NextGen Dry Flow Cold Air Intake is engineered specifically for GM heavy-duty trucks equipped with the 6.6L diesel engine from model years 2020 through 2026. Designed to enhance your vehicle’s airflow without requiring a tune, this intake system supports improved engine performance by increasing the volume of air delivered to the combustion chamber. Ideal for diesel truck owners seeking a durable, maintenance-friendly upgrade, it combines advanced materials and thoughtful design to help optimize horsepower and torque while maintaining reliability.

Key Features

This intake system offers a range of technical benefits tailored to diesel performance applications:

  • High-density polyethylene (HDPE) rotationally molded intake tube for increased airflow volume and durability
  • Washable, reusable Dryflow LIFETIME Air Filter with oil-free synthetic media for easy maintenance
  • Oversized, conical filter design allowing up to 50,000 miles between cleanings under normal highway conditions
  • Custom NextGen air box engineered to shield intake air from engine bay heat, preserving cooler air delivery
  • Oil-free two-step cleaning process for convenient filter servicing without mess
  • Typically installs in under 60 minutes with basic hand tools, providing a straightforward upgrade

Construction & Design

The intake tube’s HDPE construction is rotationally molded to ensure a smooth, consistent internal surface that promotes efficient airflow while resisting heat soak and engine bay contaminants. The integrated NextGen air box further protects intake air temperature, helping maintain optimal combustion conditions. The Dryflow filter’s synthetic media eliminates the need for oil, reducing maintenance complexity and potential contamination risks.

Installation & Fitment

Designed as a direct-fit replacement for the factory intake system on 2020–2026 GM heavy-duty trucks with the 6.6L diesel engine, this kit includes all necessary components for a secure installation. The process is user-friendly and can typically be completed in less than an hour, making it accessible for both professional installers and experienced enthusiasts.

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