K&N 20-21 Chevy / GMC 2500/3500 6.6L V8 Performance Cold Air Intake System (Part #77-3103KC)

Description

Enhance your Chevy Silverado 2500 HD or GMC Sierra 2500/3500 with the K&N 20-21 Performance Cold Air Intake System, designed specifically for 6.6L V8 engines. This system features a mandrel-bent aluminum intake tube that optimizes airflow, providing a guaranteed increase in horsepower and torque for improved engine performance. The high-flow air filter, made with oiled cotton media, is washable and reusable, ensuring long-term serviceability and consistent filtration.
The K&N intake system is engineered to fit seamlessly into your vehicle without requiring modifications, and it does not void your vehicle warranty. Installation is straightforward, and the system is covered by K&N’s No-Hassle Lifetime Limited Warranty, giving you peace of mind with your upgrade. This intake system is an excellent choice for those seeking to maximize engine efficiency and power while maintaining reliability.
Constructed from durable, mandrel-bent aluminum, the intake tube helps streamline airflow from the outside environment into the engine, promoting better combustion and performance. The system’s design enhances throttle response and overall engine efficiency, making it an ideal upgrade for towing, hauling, or everyday driving. Note that this product is not CARB-legal but is acknowledged by K&N for use in non-emissions-compliant applications.
Invest in the K&N 77-3103KC cold air intake system to unlock your vehicle’s potential, improve fuel efficiency, and enjoy a more responsive driving experience. Its rugged construction and proven performance make it a top choice among enthusiasts seeking reliable, high-quality aftermarket upgrades for their trucks.

Features:

• Mandrel-bent aluminum intake tube for optimized airflow

• High-flow, washable, reusable cotton filter for long-term use

• Guaranteed increase in horsepower and torque

• Designed for easy installation without voiding vehicle warranty

• Covered by K&N’s No-Hassle Lifetime Limited Warranty

Fitment:
Chevrolet Silverado 2500 HD Custom 2020
Chevrolet Silverado 2500 HD Custom 2021
Chevrolet Silverado 2500 HD Custom 2022
Chevrolet Silverado 2500 HD Custom 2023
Chevrolet Silverado 2500 HD Custom 2024
Chevrolet Silverado 2500 HD Custom 2025
Chevrolet Silverado 2500 HD High Country 2020
Chevrolet Silverado 2500 HD High Country 2021
Chevrolet Silverado 2500 HD High Country 2022
Chevrolet Silverado 2500 HD High Country 2023
Chevrolet Silverado 2500 HD High Country 2024
Chevrolet Silverado 2500 HD High Country 2025
Chevrolet Silverado 2500 HD LT 2020
Chevrolet Silverado 2500 HD LT 2021
Chevrolet Silverado 2500 HD LT 2022
Chevrolet Silverado 2500 HD LT 2023
Chevrolet Silverado 2500 HD LT 2024
Chevrolet Silverado 2500 HD LT 2025
Chevrolet Silverado 2500 HD LTZ 2020
Chevrolet Silverado 2500 HD LTZ 2021
Chevrolet Silverado 2500 HD LTZ 2022
Chevrolet Silverado 2500 HD LTZ 2023
Chevrolet Silverado 2500 HD LTZ 2024
Chevrolet Silverado 2500 HD LTZ 2025
Chevrolet Silverado 2500 HD WT 2020
Chevrolet Silverado 2500 HD WT 2021
Chevrolet Silverado 2500 HD WT 2022
Chevrolet Silverado 2500 HD WT 2023
Chevrolet Silverado 2500 HD WT 2024
Chevrolet Silverado 2500 HD WT 2025
Chevrolet Silverado 2500 HD ZR2 2024
Chevrolet Silverado 2500 HD ZR2 2025
Chevrolet Silverado 3500 HD High Country 2020
Chevrolet Silverado 3500 HD High Country 2021
Chevrolet Silverado 3500 HD High Country 2022
Chevrolet Silverado 3500 HD High Country 2023
Chevrolet Silverado 3500 HD High Country 2024
Chevrolet Silverado 3500 HD High Country 2025
Chevrolet Silverado 3500 HD LT 2020
Chevrolet Silverado 3500 HD LT 2021
Chevrolet Silverado 3500 HD LT 2022
Chevrolet Silverado 3500 HD LT 2023
Chevrolet Silverado 3500 HD LT 2024
Chevrolet Silverado 3500 HD LT 2025
Chevrolet Silverado 3500 HD LTZ 2020
Chevrolet Silverado 3500 HD LTZ 2021
Chevrolet Silverado 3500 HD LTZ 2022
Chevrolet Silverado 3500 HD LTZ 2023
Chevrolet Silverado 3500 HD LTZ 2024
Chevrolet Silverado 3500 HD LTZ 2025
Chevrolet Silverado 3500 HD WT 2020
Chevrolet Silverado 3500 HD WT 2021
Chevrolet Silverado 3500 HD WT 2022
Chevrolet Silverado 3500 HD WT 2023
Chevrolet Silverado 3500 HD WT 2024
Chevrolet Silverado 3500 HD WT 2025
GMC Sierra 2500 HD AT4 2020
GMC Sierra 2500 HD AT4 2021
GMC Sierra 2500 HD AT4 2022
GMC Sierra 2500 HD AT4 2023
GMC Sierra 2500 HD AT4 2024
GMC Sierra 2500 HD AT4 2025
GMC Sierra 2500 HD AT4X 2024
GMC Sierra 2500 HD AT4X 2025
GMC Sierra 2500 HD Base 2020
GMC Sierra 2500 HD Base 2021
GMC Sierra 2500 HD Base 2022
GMC Sierra 2500 HD Denali 2020
GMC Sierra 2500 HD Denali 2021
GMC Sierra 2500 HD Denali 2022
GMC Sierra 2500 HD Denali 2023
GMC Sierra 2500 HD Denali 2024
GMC Sierra 2500 HD Denali 2025
GMC Sierra 2500 HD Pro 2023
GMC Sierra 2500 HD Pro 2024
GMC Sierra 2500 HD Pro 2025
GMC Sierra 2500 HD SLE 2020
GMC Sierra 2500 HD SLE 2021
GMC Sierra 2500 HD SLE 2022
GMC Sierra 2500 HD SLE 2023
GMC Sierra 2500 HD SLE 2024
GMC Sierra 2500 HD SLE 2025
GMC Sierra 2500 HD SLT 2020
GMC Sierra 2500 HD SLT 2021
GMC Sierra 2500 HD SLT 2022
GMC Sierra 2500 HD SLT 2023
GMC Sierra 2500 HD SLT 2024
GMC Sierra 2500 HD SLT 2025
GMC Sierra 3500 HD AT4 2020
GMC Sierra 3500 HD AT4 2021
GMC Sierra 3500 HD AT4 2022
GMC Sierra 3500 HD AT4 2023
GMC Sierra 3500 HD AT4 2024
GMC Sierra 3500 HD AT4 2025
GMC Sierra 3500 HD Base 2020
GMC Sierra 3500 HD Base 2021
GMC Sierra 3500 HD Base 2022
GMC Sierra 3500 HD Denali 2020
GMC Sierra 3500 HD Denali 2021
GMC Sierra 3500 HD Denali 2022
GMC Sierra 3500 HD Denali 2023
GMC Sierra 3500 HD Denali 2024
GMC Sierra 3500 HD Denali 2025
GMC Sierra 3500 HD Pro 2023
GMC Sierra 3500 HD Pro 2024
GMC Sierra 3500 HD Pro 2025
GMC Sierra 3500 HD SLE 2020
GMC Sierra 3500 HD SLE 2021
GMC Sierra 3500 HD SLE 2022
GMC Sierra 3500 HD SLE 2023
GMC Sierra 3500 HD SLE 2024
GMC Sierra 3500 HD SLE 2025
GMC Sierra 3500 HD SLT 2020
GMC Sierra 3500 HD SLT 2021
GMC Sierra 3500 HD SLT 2022
GMC Sierra 3500 HD SLT 2023
GMC Sierra 3500 HD SLT 2024
GMC Sierra 3500 HD SLT 2025