The K&N Cold Air Intake Kit for the 2001 to 2004 Chevrolet and GMC models, including Silverado 2500 HD, Silverado 3500, Sierra 2500 HD, and Sierra 3500, offers a high-performance upgrade designed to boost engine power. With an estimated gain of 13 horsepower, this intake system features a free-flowing mandrel-bent aluminum tube that enhances airflow to your engine. The kit comes equipped with a washable and reusable lifetime air filter, ensuring long-lasting performance while reducing the need for frequent replacements.

Installation of the K&N Cold Air Intake Kit is straightforward, taking about 90 minutes or less for most drivers. Each kit is backed by K&N's Million Mile Warranty, reflecting the company's commitment to quality and durability. Additionally, this product is compliant with California emissions standards, as noted by its 50 State Legal CARB EO# D-269-34. Upgrade your vehicle's performance with this reliable cold air intake system and experience the difference in horsepower and engine responsiveness.