CTS Turbo High-Flow Air Intake For Audi B9 A4 A5 S4 S5 RS4 RS5 6" Velocity Stack
Audi RS5 (2.9T). 6” Velocity Stack Filter: One of the largest filters available, ensuring maximum airflow and filtration efficiency. Audi A5 / S5 (2.0T & 3.0T). Fits allAudi B9 chassis models (2017–2021+).