Cobb Big SF Intake System | 2015-2016 Subaru WRX (745100)
Replacing the factory intake and airbox with the COBB Cold Air Intake will greatly reduce preturbo restrictions. When a restriction is removed, it allows the engine to be more efficient while also enabling it to make more power!
Note: Proper tuning is REQUIRED for this intake!! Use associated +BigSF OTS Maps or have your car tuned by a Certified Protuner