KYOSTAR Cold Air Intake System for Audi EA855 2.5 TFSI Engine The KYOSTAR Cold Air Intake System is engineered for Audi performance vehicles equipped with the EA855 2.5 TFSI turbocharged five-cylinder engine, including TT RS 8S, RS3 8V Facelift, and RSQ3 F3 applications. Designed as a performance intake upgrade, this system improves airflow efficiency by reducing factory intake restrictions and providing a smoother air path for enhanced turbocharged engine response. Featuring