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The Injen SP cold air intake for the 2016–2018 Ford Focus RS is a complete short-ram intake system that replaces the OEM airbox and piping with 6061‑T6 aluminum tubing and a serviceable SuperNano-Web dry filter. Injen’s SP design uses patented tuning features to improve airflow and delivers documented gains while maintaining safe air/fuel ratios; the kit includes heat shield, hardware and is a direct bolt-on for the specified Focus RS applications.
Injen 16-18 Ford Focus RS Special Edition Blue Cold Air Intake
