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The COBB Air Box is offered for the 2015 Subaru STI when paired with the Stage 1+ Power Package and V3 tune, providing a direct-fit replacement for the factory airbox. It helps optimize airflow into the turbocharged intake while keeping installation bolt-on and user-friendly. Recommended as part of a Stage 1+ package to ensure tune compatibility and improved engine response.
Subaru Stage 1+ Power Package STI 15 w/V3
