K&N 77-3103KC Cold Air Intake Kit for 20-25 Chevy Silverado/GMC Sierra 2500/3500

Vehicle Fitment

• 2020-2025 Chevrolet Silverado 2500 HD (6.6 L V8, gas, RWD/4WD)
• 2020-2025 Chevrolet Silverado 3500 HD (6.6 L V8, gas, RWD/4WD)
• 2020-2025 GMC Sierra 2500 HD (6.6 L V8, gas, RWD/4WD)
• 2020-2025 GMC Sierra 3500 HD (6.6 L V8, gas, RWD/4WD)

Features

• High-flow cold air intake system increases horsepower and torque
• Mandrel-bent aluminum intake tube for smooth airflow
• Oversized washable and reusable oiled cotton gauze air filter
• Engineered for 6.6 L V8 gas engines in heavy duty Chevy/GMC trucks
• Bolt-on installation using factory mounting points; no cutting required
• Durable tube finish for long-term reliability
• Maintains factory MAF sensor location; retains OEM interface
• Backed by K&N's No-Hassle Lifetime Limited Warranty

Specifications

• Part number: 77-3103KC
• Estimated horsepower gain: ~20 hp
• Estimated torque gain: ~9.5 lb-ft
• Intake tube: Mandrel-bent aluminum
• Filter type: Oiled cotton gauze, washable/reusable
• Clamps: Stainless-steel worm gear (7 included)
• Drivetrain: RWD/4WD
• Not legal for sale/use in California on pollution-controlled vehicles

Included Components

• 1x Mandrel-bent aluminum intake tube
• 1x High-flow washable oiled cotton gauze air filter
• 2x Silicone couplers
• 7x Stainless-steel worm gear hose clamps
• Mounting brackets and hardware kit
• Installation instructions

Product Description

The K&N 77-3103KC Cold Air Intake Kit is designed for 2020-2025 Chevrolet Silverado and GMC Sierra 2500/3500 HD trucks with the 6.6 L V8 gas engine. It replaces the factory intake with a mandrel-bent aluminum tube and oversized reusable filter, improving airflow, throttle response, and performance.

Ideal for heavy-duty towing, hauling, or performance applications, this kit provides reliable airflow and long service intervals. The washable filter reduces maintenance costs, and the high-quality aluminum tube offers durability and enhanced under-hood appearance.

Installation is straightforward using factory mounting points. Confirm your exact vehicle year, engine, and drivetrain before purchase. Emissions legality: Not for sale or use in California on pollution-controlled vehicles.