K&N high-flow drop-in replacement air filter for the Audi R8 4.2L V8 (2008–2013) is a washable, reusable filter built from layered, oiled cotton media to improve airflow while trapping contaminants. Designed to fit the factory airbox, it can boost breathing efficiency and is engineered for the life of the vehicle. K&N supports these filters with a long-term limited warranty and reduces disposable filter waste.
K&N Replacement Air Filter for 08-13 Audi R8 4.2L V8