Enhance your Audi A4’s performance with the K&N Audi A4 1.8L Drop In Air Filter, a high-flow replacement filter engineered to boost horsepower and improve engine efficiency in Audi A4 1.8L models. This advanced, washable, and reusable filter is designed to deliver superior airflow, making it the ideal upgrade whether you’re looking for improved acceleration or simply long-lasting performance.
Key Benefits
• Proven design featuring layered, oiled cotton media for maximum filtration efficiency
• Increases horsepower and acceleration by optimizing airflow
• Easy drop-in installation into your factory air box with no modifications required
• Reusable performance part built for durability and backed by a 10-Year/Million Mile Limited Warranty
Fitment & Warranty
This filter is designed to fit a variety of Audi A4 configurations, including Base, Premium, Premium Plus, and Prestige trims from model years 2009 to 2016. Its premium construction ensures it lasts the lifetime of your vehicle, while maintenance is as simple as a routine wash to keep it performing at its best.
Upgrade your engine’s performance and reliability—buy your K&N Audi A4 air filter today and experience the proven benefits of high-quality, advanced filtration. For more high-performance options, visit our Air Filters - Drop In collection.
