The Injen SP cold air intake for 2017–2020 Honda Civic Si 1.5L turbo features polished 6061-T6 aluminum tubing and patented MegaRam and Air Fusion technologies to increase airflow while maintaining safe A/F ratios. The kit includes a serviceable SuperNano-Web dry filter and hardware, and delivers dyno-proven gains up to 29 hp and 25 lb-ft. It is not CARB exempt and isn’t available for sale in California.
Injen 2017+ Honda Civic Si 1.5L Polished Cold Air Intake