I've seen hardly any extra drag - maybe 2% which is within the margin of error.
Guessing it's because they are right behind the wheels so not much difference to the airflow as they don't stick out.
This was on both motorway and town driving.
Guessing it's because they are right behind the wheels so not much difference to the airflow as they don't stick out.
This was on both motorway and town driving.
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