K&N Engineering Drop In Air Filter Part #: E-1987 Overview The K&N Engineering Drop In Air Filter for the Audi A5 and S5 models equipped with V6-3.2L or V8-4.2L engines is engineered to optimize your vehicle’s airflow and filtration performance. Designed for automotive enthusiasts and daily drivers alike, this high-quality filter replaces the factory unit with a durable, reusable design that supports improved engine breathing and efficiency. Its construction ensures long-lasting performance, helping your engine operate smoothly and respond more readily to throttle inputs. This air filter is ideal for those seeking a straightforward upgrade that enhances airflow without requiring complex modifications. By improving the filtration process, it helps maintain cleaner intake air, which can contribute to better engine performance and longevity. The reusable design allows for cleaning and reinstallation, making it a cost-effective and environmentally friendly choice for maintaining peak engine health over time. Key Features This K&N drop-in air filter features advanced materials and a precision design to deliver reliable filtration and airflow. Key features include: High-flow, washable, and reusable cotton gauze media for optimal airflow Durable epoxy-coated aluminum wire mesh for structural integrity Designed to fit directly into the factory air box for easy installation Supports improved throttle response and engine efficiency Long-lasting performance with proper cleaning and maintenance Engineered to meet or exceed OEM filtration standards
