The K&N high-flow, drop-in replacement air filter for 2013–2018 Acura RDX 3.5L V6 is a washable, reusable filter featuring layered, oiled cotton media engineered to improve airflow while capturing contaminants. Designed to install directly into the factory airbox, it aims to increase airflow and engine response without complex modifications. K&N filters are reusable for the vehicle's life, reduce disposable filter waste, and are covered by K&N's No-Hassle Lifetime Limited Warranty for long-term use.
K&N Replacement Air Filter for 13 Acura RDX 3.5L V6