KYOSTAR Cold Air Intake System for 2015-2021 Subaru WRX FA20F 2.0L Engine The KYOSTAR Cold Air Intake System is designed for 2015-2021 Subaru WRX models equipped with the FA20F 2.0L H4 turbocharged engine. This intake system improves airflow efficiency by reducing factory intake restrictions and providing a smoother air path for turbocharged performance applications. Featuring a performance intake pipe, heat shield design, and high-flow air filter, this system helps improve