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The COBB high‑flow air filter included in the Stage 1 Power Package supports multiple Subaru models: 2006–2007 WRX, 2004–2007 STi, and 2004–2006 FXT when paired with the V3 access port. Delivered as the filtration element for COBB’s Stage 1 kit, this drop‑in filter is matched to the package’s tuning and hardware for the listed Subaru applications.
Subaru 06-07 WRX, 04-07 STi, 04-06 FXT Stage 1 Power Package w/V3
