How much do intake scoops lower the temperature in your Ford Fiesta ST150?

How do intake scoops affect intake air temperature (IAT) when using a cold air intake (CAI) on a Ford Fiesta ST150?

I tested both the upper scoop on its own and then in combination with a lower scoop, comparing the measured results. I also looked at the impact on performance. 

Ford Fiesta ST150 - Cold air intake kit with velocity stack inc. scoops - ADHD Motorsport

How much do intake scoops lower the temperature?


I tested how intake scoops affect the intake air temperature.

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