K&N Replacement Air Filter For Audi RS4, S4, RS5 & S5 (B9) G26 4 SERIES Designed specifically for the F30

Designed specifically for the F30 bootlid for a tight

330d including Mild-Hybrid and xDrive where applicable

while the friction material is designed to work at very high operating temperatures for repeatable results

Greenstuff 2000

K&N Replacement Air Filter For Audi RS4, S4, RS5 & S5 (B9) G26 4 SERIES Designed specifically for the F30Enhance the performance of your Audi B9 RS4, RS5, S5 & S4 with the K&N Replacement Air Filter. Designed for optimal airflow and filtration, this high quality filter boosts engine efficiency and power. Enjoy improved throttle response and acceleration while maintaining superior engine protection. Easy to install and built to last, the K&N Replacement Air Filter is a must have upgrade for Audi enthusiasts seeking peak performance from their vehicle.