Subaru WRX STI Air Box – COBB – Stage 1+ Power Package – 2015–2018. A matched bundle pairing COBB’s Accessport, SF Intake, and Airbox to sharpen response with tune-backed confidence.

Built for the EJ-powered STI, this package increases intake flow and shields it from engine heat while the Accessport V3 supplies COBB off-the-shelf calibrations for this hardware. Flash quickly, monitor live data, and datalog runs. The intake and airbox fit cleanly and install with basic tools, supporting stock-like drivability when used with the provided maps.

Features

• Accessport V3, SF Intake, and Airbox for 2015–2018 STI
• COBB OTS maps included for this combo
• Enclosed airbox helps limit heat soak and stabilize IATs
• Bolt-on install; high-flow, serviceable filter

Have questions or planning a build? Call our Austin, TX team at 512-982-9393 or our Los Angeles, CA area shop at 562-981-6800. We offer professional installation and customization at both locations.

Considering multiple items? Contact us for shipping discounts. We install on premises at both locations.

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