Cobb 10-13 Mazdaspeed 3 SF INTAKE + AIRBOX KITIncreased Power The C. A. R. B certified (2010+ pending) COBB Tuning SF Intake removes a pre turbo restriction in the stock intake system, netting +11HP and +16lb ft. gains while the Airbox makes sure those power gains stay consistent by eliminating heatsoak. The SF Intake and Airbox system utilizes several unique features in an effort to maintain optimal flow for performance. From a custom conical cloth air filter element, a CFD designed velocity
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