An intercooler scoop is catching airflow and forcing it through the intercooler to cool the intake air before it reaches the combustion chamber.
Rearward facing vents release under bonnet heat and airflow through the radiator is more efficient because the hot air in the engine bay can escape quicker.
Top mounted intercoolers only really work when the vehicle is travelling at speed because when stationary, heat soak from the engine below renders the intercooler practically useless. Fitting bonnet vents helps a little by releasing the engine heat.
Rearward facing vents release under bonnet heat and airflow through the radiator is more efficient because the hot air in the engine bay can escape quicker.
Top mounted intercoolers only really work when the vehicle is travelling at speed because when stationary, heat soak from the engine below renders the intercooler practically useless. Fitting bonnet vents helps a little by releasing the engine heat.
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