The K&N AirCharger cold air intake for 2017–2019 Ford Super Duty 6.7L diesels replaces the factory inlet with an enclosed airbox, washable high-flow oiled cotton filter and a rotationally-molded HDPE tube to increase airflow. The oversized conical filter can go up to 100,000 miles between services under normal highway use, installs in about an hour, and is backed by K&N’s lifetime limited warranty. Some applications may not be CARB-legal; check part specs.
K&N 17-18 Ford F-250/F-350 Super Duty 6.7L AirCharger Performance Intake