The IE Turbo Inlet pipe for your Audi B9 RS5 or RS4 feeds your twin-turbocharged engine an unrestricted supply of airflow. This turbo inlet pipe is an upgrade to our existing 2.9T air intake system and provides a complete high-flow path from the intake to the turbochargers. Enjoy innovative features including the impressive flow gains, premium quality aircraft-grade aluminium casting, and the massive size that fills up the engine bay with a stylish look. Fully upgrade your intake system and breathe free!