Were created to enhance the amount of fresh cold air to the intake.

Featuring a dedicated air duct that sits as which is located at the bottom of the car, in a special place where fresh air enters through the bumper mesh., the Project-R1 intake ensures that only the coldest air reaches your motor resulting in maximum power.

Keeping the chamber design also adds to maximizing engine response. The increased pipe diameter (76mm) and smooth transitions also contribute to increased power.

• R1 air filter, guarantees excellent filterability.
• Special air box for Civic FA5/FG2 Si by Project-R1
• Fiberglass air box
• Fiberglass pipe with Flow laminator partitions

No Check Engine Light Guarantee