The Injen SP cold air intake for 2017–2020 Honda Civic Si 1.5L Turbo uses 6061-T6 aluminum tubing, a SuperNano-Web dry filter and patented MegaRam and Air Fusion technologies to increase flow and maintain safe A/F ratios. Dyno-proven gains reach up to 29 hp and 25 lb-ft. The kit includes hardware and a limited lifetime warranty but is not CARB exempt for California use.
Injen 2017+ Honda Civic Si 1.5L Wrinkle Red Cold Air Intake