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This week I ran the brick through the dirt tunnel (it rained off and on for 3 days)
I noticed the crud on the rear is more black. Road grime Vs regular dirt.
Is this related to the air dam ?
Here's my theory:
The air dam prevents clean air from going under the vehicle in the front.
That means the air to fill the rear void has to come from the engine compartment and sides only.
The air contains more road grime kicked up by the tires.
Does this make sense?
If so, should I work on the airflow underneath or the Kamm next ?
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