ENGINE FRESH AIR DUCT

During the durability race, an engine power feel worsened.the cause was (1) the intake temperature increased, and (2) it was found that the correction function works due to the rise in water temperature.therefore, a duct that forcibly inhaled from the bumper part was set up, and when i tried to test it with a large aluminum liladiator, the engine feel such as power down has no change.s -tai bonnet, bumper exclusive product.