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It is designed to work perfectly with the stock MAF sensor
Increased Air Flow While Maintaining Filtering Efficiency
From a custom conical cloth air-filter element
The COBB Tuning Subaru Oil Cap brings a bit of class to your engine bay
Compatible with 2015+ WRX Stock or Stock Replacement Turbochargers
Cobb 15-18 Subaru WRX STI Airbox subaru-forester-xt-2011 It is designed to workThe SF Air Box adds the benefits of a cold air intake to the outstanding performance of the SF Intake. The factory inlet directs cold air from the front grill to the SF Airbox, which encloses the SF Intake. Hot engine bay air that robs horsepower is prevented from entering the intake system to provide consistent intake performance. This unique design also separates rainwater from the intake air, eliminating the water ingestion issues that plague in
