Quick view Cobb | sku: 745120 Cobb SF Cold Air Intake For 15-21 Subaru WRX Replacing the factory intake and airbox with the COBB SF Intake will reduce pre-turbo restrictions. When a restriction is removed, it allows the engine to be more efficient while also enabling it to make more power! Constrcution: The airbox is... $495.00 Add to Cart Compare