K&N High-Flow replacement air filter for 2020–2021 Nissan Frontier 3.8L V6 is a washable, reusable direct-fit filter using layered, oiled cotton media engineered to improve airflow, capture contaminants and increase horsepower. Designed to install in the factory air box, it aims to boost acceleration and overall engine performance while providing long-term reusability and protection backed by K&N coverage.
K&N 20-21 Nissan Frontier 3.8L V6 Replacement Air Filter