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Old 03-13-2021, 10:13 AM   #129 (permalink)
Piotrsko
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Join Date: Sep 2013
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You'll be very suprised how leaky a car or pickup is to outside air intrusion. If it was truly sealed, you would die from lack of oxygen on a 1/2 hr drive. I recently went on a hunt to find why only the heated air in the F250 had exhaust smell in it and discovered many sources of outside air vents
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