Thread: Aero add-ons for box truck
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Old 12-19-2016, 01:23 AM   #4 (permalink)
freebeard
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Quote:
Interesting, the protrusion lip on the over cab thing.
Free sunvisor! It creates a secondary stagnation point that forces air off the windshield sideways. Possibly a shorter distance to travel which displaces the air less?
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