This K&N replacement drop-in air filter fits the 2013–2015 Audi RS5 V8 4.2L (left side) and uses K&N's washable, reusable High-Flow cotton media to increase airflow while capturing contaminants. Built to install into the factory air box, the filter is covered by K&N's No-Hassle Lifetime Limited Warranty and provides a long-lived, reusable alternative to disposable filters for the specified left-side Audi RS5 application.
K&N Replacement Air Filter for 13-15 Audi RS5 V8 4.2L - Left