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The Injen SP short ram air intake for 2021–2023 Toyota GR Supra and 2019–2023 BMW Z4 (2.0L turbo) opens the restricted OE tract with a large 3.25" 6061-T6 aluminum tube to improve airflow, sharpen throttle sound and produce measurable power gains. Injen's SP2301 on-dyno gains are about 10 hp and 19 lb‑ft. This wrinkle-black SP2301WB kit includes a serviceable SuperNano‑Web dry filter, a vehicle-specific heat shield, maintains safe A/F ratios without extra tuning, and ships with Injen's limited lifetime warranty; note it is not CARB-exempt for California.
Injen 21-22 Toyota Supra 2.0L 4 Cyl. SP Short Ram Air Intake System - Wrinkle Black
