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2008 Scion xB help (dirty rear window)
I have a few things I am planning on doing to my 2008 Scion xB to improve the aerodynamics but I have one problem that I need help with. The rear of the 2nd generation Scion xB's tend to collect dirt like a magnet. My guess is that the air flow over, under, or from the sides is being sucked into the low pressure area behind the car. My guess is most of the dirt is coming off the road. The xB's with the added rear spoiler seem to gather the same amount of dirt and also hurt gas mileage. I thought someone here may have had a similar problem with a vehicle and found a cure.
Any thoughts?
Al
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