K&N Cold Air Intake Kit with Washable Air Filter: 1997-2006 Jeep (Wrangler TJ) 4.0L V6 Black HDPE Tube with Red Oiled Filter 57-1514-1 K&N air intake systems are engineered for increased performance outstanding durability and sleek aesthetics—and are available in an assortment of finishes and powder coatings. K&N’s state-of-the-art High-Flow Air Filter™ helps to shield your engine from contaminants while a meticulously engineered aerodynamic tube design contributes to a guaranteed increase in horsepower and torque. K&N air intake systems are designed to improve acceleration towing and throttle response while providing world class protection for your engine. Our intakes are dyno-tested and provide up to 50% more airflow compared to OEM intake systems. K&N intakes are easy to install and maintain with air filter cleaning required only every 100 000 miles. Vehicle Fitment: 1997-2006 JEEP TJ; 1997-2006 JEEP Wrangler