K&N is the inventor of the Air Intake System and has over 50 years of experience in the performance filtration industry. Proudly designed and manufactured in the USA this premium cold air intake system is specifically designed for your C1500 C2500 C35 C3500 K1500 K2500 K3500 Suburban 1500 Tahoe Yukon and is dyno tested to provide a guaranteed increase in horsepower. It features a high flow intake tube custom heat shield and oversized K&N Washable High-Flow Cotton Air Filter for ultimate airflow. This Intake system replaces the restrictive OEM air box to provide an improved driving experience for daily driving or towing.