Cobb Subaru Airbox - 2015-2018 Subaru STI Cooling Why It Works

Why It Works

COBB muffler sections

After validating these findings

Not only does a larger air filter allow for more air flow and therefore power but it also does not block up for longer and continues to be efficient at it’s main purpose which is to filter the air of harmful elements

Cobb Subaru Airbox - 2015-2018 Subaru STI Cooling Why It WorksThe COBB SF Airbox adds the benefits of a cold air intake to the proven performance of the COBB SF Intake. By using the factory inlet snorkel to direct cool air from the front grille into an enclosed airbox, this setup helps keep hot engine bay air out of the intake path for more consistent performance. Unlike many in fender cold air intakes, the COBB SF Airbox is also designed to help separate rainwater from the intake air, reducing the water