Re: Gas mileage improve?
my mpg went from 11.5 to 9.2 when i put the 38.5" on. i put the intake on and didnt do anything. maybe the catback flowmaster exhaust might do something...but no biggie. its a big truck with big tires.
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scott j.
2008 h2 sut
2008 escalade
1969 charger
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