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The Injen RD cold air intake for 2002–2004 Toyota Corolla 1.8L replaces restrictive factory plumbing with mandrel-bent 6061‑T6 tubing and a SuperNano‑Web dry filter to improve airflow and mid-range power. The system is dyno-tested, available in polished or black finishes, includes tubing, filter, hardware and instructions, and produces a more aggressive intake tone while maintaining safe A/F ratios under normal bolt-on operation.
Injen 03-04 Toyota Corolla 1.8L 4cyl Polished Dyno-Tuned Cold Air Intake
