COBB Big SF Intake Replacement Intake Filter 2015-2021 WRX

The COBB Big SF Intake Replacement Intake Filter is designed for 2015-2021 Subaru WRX. The filter increases airflow by up to 12%, allowing your engine to breathe more efficiently. It has a large, 5-layer, nanofiber filter element for maximum filtration and is designed with a durable polyethylene lower shell for optimal fitment.