RE: How can I improve gas mileage?
Moparmania,= This may be a stupid qeustion but, how does turning the OD off improve gas milage?
I have only owned 5 speeds so, the whole thing is new to me.
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2001 5.9 offroad
Fastman 52mm TB
Imco SS exhaust
Magnaflo hi-flow cat
K&N round intake
Mopar bull-bar
2"leveling kit
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