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Old 12-04-2009, 08:12 AM   #12 (permalink)
JasonG
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Join Date: May 2009
Location: Charlotte NC / York SC
Posts: 728

05 DMax - '05 Chevrolet 2500HD
90 day: 18.48 mpg (US)
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Do a search here for belly pan. I agree it will give much better results, just watch the muffler.
The balance is that the underside of a car is very dirty aero wise. The gains are small but every bit adds up.
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I can't understand why my MPG's are so low..........
21,000lb, 41' Toy Haulers are rough on FE!
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