
The Mishimoto full air intake kit for 2016–2018 Ford Focus RS replaces the factory airbox and intake pipe with a polished 3-inch aluminum pipe and a sealed airbox that uses OEM inlet ducts. Engineered and test-validated, the kit exposes the filter to more airflow and is dyno-proven for up to 12 whp and 15 wtq on a stock tune while requiring no cutting or factory modification.
Mishimoto 2016+ Ford Focus RS Performance Air Intake Kit - Polished