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The COBB cold air intake included in the 2018 Subaru WRX STI Stage 1+ Power Package (Cobb Blue) is a tuned intake kit that replaces restrictive factory plumbing and supports COBB Stage 1+ calibration for WRX STI applications. Offered as part of the matched Stage 1+ package, it is intended to simplify installation and ensure component compatibility within the power upgrade.
Cobb 2018 Subaru WRX STI Stage 1+ Power Package - Cobb Blue
