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Gas mileage improve?
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12-08-2006, 07:23 PM
ROADCAPT
Hummer Veteran
Join Date: Nov 2006
Posts: 33
Re: Gas mileage improve?
same ol 12.5 45 or 95 still stock, was wondering about all the hipe from the air intake and exhaust mod boys
.
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ROADCAPT
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