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Injen’s SP cold air intake for 2008–2012 Scion xD 1.8L uses a 6061‑T6 aluminum tube and SuperNano‑Web dry filter to improve airflow and throttle response, with reported dyno gains around +8 HP and +8.6 ft‑lb torque. Smooth piping reduces restrictions, and the serviceable filter increases filter area for improved flow. The kit includes tubing, filter, hardware and instructions, produces a more aggressive intake note and is not CARB exempt.
Injen 08-09 xD 1.8L Black Cold Air Intake
