Skip to product information
1 of 4

K&N Performance Air Intake System | Chevrolet Silverado / GMC Sierra 2500/3500 (20-21) 6.6L V8

K&N Performance Air Intake System | Chevrolet Silverado / GMC Sierra 2500/3500 (20-21) 6.6L V8

SKU:77-3103KC

In stock

Regular price $428.04 USD
Regular price $472.99 USD Sale price $428.04 USD
ADDITIONAL DISCOUNTS APPLIED AT CHECKOUT Sold out

The K&N 20-21 Chevy and GMC 2500/3500 6.6L V8 Performance Air Intake System is a high-performance cold air intake designed to enhance engine airflow and overall power output. Constructed with a mandrel-bent aluminum intake tube, this system ensures smooth airflow paths that optimize throttle response and horsepower gains. Paired with a washable, reusable High-Flow Air Filter featuring oiled cotton media, it provides consistent filtration and durability. The intake system is engineered to deliver increased horsepower and torque, making it an ideal upgrade for enthusiasts seeking improved engine performance and efficiency.

This intake system is specifically designed for 2020 and 2021 Chevrolet and GMC 2500/3500 models equipped with the 6.6L V8 engine. It is a direct bolt-on replacement that requires no additional modifications, offering a straightforward installation process. The kit includes all necessary components for a complete upgrade, ensuring compatibility with stock mounting points. Suitable for street and performance driving, this system enhances airflow and engine response, providing a reliable and long-lasting upgrade for heavy-duty trucks.

Overview

K&N Engineering Performance Air Intake System

Fits 2020–2021 Chevrolet / GMC 2500/3500 6.6L V8

Part #: 77-3103KC

Overview

Upgrade your vehicle’s airflow with the K&N Performance Air Intake System, designed specifically for 2020–2021 Chevrolet and GMC 2500/3500 trucks equipped with the 6.6L V8 engine. This system is engineered to enhance your truck’s performance by increasing horsepower and torque, providing a noticeable boost in response and overall driving experience. Crafted for enthusiasts seeking reliable, high-quality upgrades, this intake system combines durability with improved airflow efficiency, helping your engine breathe easier under load and during acceleration. Constructed with precision-mandrel bent aluminum tubing, the intake maintains smooth airflow paths that reduce turbulence and maximize performance gains. The system is designed for easy installation, fitting seamlessly into your vehicle’s existing engine bay without the need for extensive modifications. Paired with a washable, reusable High-Flow Air Filter featuring oiled cotton media, this intake ensures long-term performance and cost savings by allowing you to clean and reuse the filter rather than replace it.

Key Features

This intake system offers a combination of advanced materials and thoughtful design to support your vehicle’s performance needs:
  • Made from durable, mandrel-bent aluminum for optimal airflow
  • Includes a high-flow, oiled cotton filter for maximum filtration and reusability
  • Designed for straightforward installation with minimal tools required
  • Enhances horsepower and torque across the RPM range
  • Reduces intake restrictions for improved throttle response
  • Supports engine cooling with a free-flowing intake path
  • Built to withstand harsh engine bay conditions and resist corrosion

Construction & Design

The intake features a high-quality aluminum tube with a smooth, mandrel-bent design that minimizes airflow resistance. The washable filter is engineered for high flow and filtration efficiency, ensuring your engine receives clean air for optimal combustion. The system’s design emphasizes durability and ease of maintenance, making it a reliable upgrade for your truck.

Installation & Fitment

Designed for a direct bolt-on upgrade, this intake system installs with basic hand tools and requires no cutting or welding. It fits precisely into the factory mounting points, allowing for a quick and secure installation process that gets you back on the road faster.

What’s Included

The package includes the aluminum intake tube, high-flow washable filter, and all necessary hardware and clamps for a complete installation.
View full details