Eventuri Audi B9 S4 / S5 Black Carbon Intake SystemThe Eventuri Black Carbon Intake System for the Audi B9 S4 and S5 was engineered to deliver measurable performance gains while maintaining low inlet air temperatures in a heat sensitive engine bay. Rather than adopting an open cone layout which would increase airflow at the expense of thermal efficiency, Eventuri completely re developed the intake tract from the turbo inlet to the front grille with a sealed carbon fiber system designed to optimize