EVE310-110 / 310-110 - Application Notes Jeep fans, our 4 and 6 AIRAID system was designed specifically with you street/off-roaders in mind! This kit fits either 4 or 6 cylinder engines. Exclusive “Cross-link” injection molded polyethylene air-box adapter dramatically improves airflow. This system produces up to 8 horsepower and lots of mid-range torque, compared to the stock air box. All kits include our specially designed splash shield, making them perfect for the serious off-road enthusiast.