The COBB SF Intake and Airbox combines a conical filter, velocity stack and airflow straightener with an enclosed airbox that uses the factory fresh-air inlet.
Select your vehicle: 2015–2021 WRX, 2008–2014 STI or 2015–2021 STI. Confirm your exact model and the selected kit before ordering.
Calibration required: Use a calibration matched to the selected intake and vehicle. Contact Johnson Tuning before installation if you need help confirming the correct map or tune.
The COBB SF Intake and Airbox combines a conical filter, velocity stack and airflow straightener with an enclosed airbox that uses the factory fresh-air inlet.
Select your vehicle: 2015–2021 WRX, 2008–2014 STI or 2015–2021 STI. Confirm your exact model and the selected kit before ordering.
Calibration required: Use a calibration matched to the selected intake and vehicle. Contact Johnson Tuning before installation if you need help confirming the correct map or tune.
