does anyone have a good fuel millage tune for an lly im only getting 15 mpg. I have a 4 inch turbo back straight pipe exhaust and an intake already. Thanks
does anyone have a good fuel millage tune for an lly im only getting 15 mpg. I have a 4 inch turbo back straight pipe exhaust and an intake already. Thanks
i am learning the to tune for mileage very day power is easy saving gas gets nuts hard
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