Thread: dragging dust
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Old 08-06-2019, 12:35 PM   #5 (permalink)
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Join Date: Feb 2014
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Dark Egg - '12 VW Touareg TDI Sport AWD
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Some vehicles get less dirt on the back glass because they have a diffuser or slots through the rear roof spoiler to push clean air off the roof across the back window. My Forester had a plastic diffuser and my Minivan has a slot in the spoiler.
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