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AEM’s Performance Cold Air Intake for 2017–2019 Subaru Legacy 2.5L replaces the restrictive factory airbox with mandrel‑bent aluminum tubing, an oversized AEM Dryflow oil‑free synthetic filter and a heat shield to reduce intake temperature. The washable Dryflow media can provide long service intervals, the system is dyno‑tuned for gains and it carries AEM’s Lifetime Limited Warranty; check vehicle applications for legal status.
AEM C.A.S. 17-18 Subaru Legacy H4-2.5L F/I Cold Air Intake
