Safeguard your high-flow air filter without impacting performance. Injen's nearly waterproof Hydro Shield repels water and other microscopic debris while still maintaining smooth airflow. Available in Red, Blue and Black. Lifetime Warranty.
Replace the filter on Injen intakes or other brand air intakes with the power of a new Injen Replacement Air Intake Filter. Premium 4-layer cotton gauze filtration. Built-in velocity stack design for smoother flow. Washable and reusable. Lifetime Warranty.