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The Injen SP cold air intake for 2006–2009 Honda Civic Si coupe and sedan improves airflow with a smooth 6061-T6 aluminum intake tube and a serviceable SuperNano-Web dry filter. Injen's MR and Air Fusion tuning features aim to raise power while maintaining safe A/F ratios, providing dyno-proven gains around 10–11 hp and a more aggressive intake tone, with no additional tuning required.
Injen 06-09 Civic Si Coupe & Sedan Black Cold Air Intake
