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The Injen SP cold air intake for 2009–2020 Nissan 370Z 3.7L V6 replaces the factory intake with dual polished 6061‑T6 aluminum tubing and a serviceable SuperNano‑Web filter to increase airflow and produce a more aggressive induction sound. Injen's MR and Air Fusion technologies yield dyno-proven gains—up to about 15 hp and 11 lb‑ft—while keeping A/F ratios safe. Fits standard 370Z models and excludes the NISMO edition; CARB EO applies to 2009–2013.
Injen 09-20 Nissan 370Z Polished Cold Air Intake
