SPOON CARBON AIR DUCT Intake For HONDA S2000 AP1 17228-AP1-000Brand SPOON Series Name CARBON AIR DUCT Product Descriptions During the endurance race, a phenomenon occurred that the engine power feel deteriorated. The cause is as follows: (1) Intake air temperature rises, (2) Correction function works due to water temperature rise. Therefore, we installed a duct for forcibly sucking in from the bumper part and exchanged it with a large aluminum radiator and tested it, there was no change in the engine feel such