Eventuri Audi C7 S6 / S7 Black Carbon Intake SystemThe Eventuri Black Carbon Intake System for the Audi C7 S6 and S7 has been engineered as a complete airflow solution for the 4. 0T platform, replacing the restrictive factory airbox layout with a fully optimized intake architecture. At the core of the system are Eventuris patented carbon fiber housings which create a smooth, aerodynamically efficient path from the filters to the MAF tubes, reducing turbulence and allowing the turbochargers to operate