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Old 12-25-2009, 09:20 PM   #3 (permalink)
Getting BETTER Mileage
Jethro's Avatar
Join Date: Dec 2009
Location: Los Alamos, NM
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Lucky No 19 - '11 Ram 1500 Express ST

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As long as the spoiler covers the ugliest parts of the air flow (lowest hanging parts) it's theoretically 'good' ain't it?
After that point aren't you just increasing your frontal area?
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