The CT Engineering Air Intake Kit for the 06-09 Civic Si, is designed to limit "heat-soak" and improve efficiency during air ingestion. CT Engineering's design also helps keep intake noise to a minimum. This kit uses a foam filter that can be cleaned and reused.
All CT Engineering air intake systems are 50 state emissions legal.
** High-Temp Powdercoated Heat Shield
** High-Flow Re-Usable Foam Filter
** Two-Piece CNC Machined and Black Anodized Billet Aluminum Intake Tube
** Designed to limit "Heat-Soak" experienced in other "tube-and-filter" style intakes
** Engineered and Machined to extremely tight tolerances
** Tested to ensure proper operation on CT Supercharged as well as N/A Civic Si
** Dyno Proven 8whp Increase
** CARB legal for street use in CA