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Injen SP cold air intake for 2005–2007 Subaru Impreza H4‑2.5L improves airflow with smooth 6061‑T6 aluminum tubing and Injen’s patented MR and Air Fusion tuning technologies to deliver notable gains—up to about +14 HP and +13 lb‑ft of torque. The system includes a fully serviceable SuperNano‑Web dry air filter, optional hydroshield, and is backed by Injen’s limited lifetime warranty for continued use.
Injen 05-07 Subaru Impreza RS 2.5L-4cyl Polished Cold Air Intake
