full exhaust? computer progam? what else?, tired of 14mpg
More info about the truck? Engine wise, etc?
:stupid:
or sell it for a GM ? :dunno:
Fixed.
Duramax…
4.6lt v8 automatic
Not much.
Open Element K&N and an Exhaust, but I doubt you’ll see much.
When was the last time you had alignment checked? I honestly gained 7mpg by having my gf’s Integra aligned and it didn’t seem that bad to begin with.
drive more highway. 4wd in town thats about the best your gonna get bud. even the new GM’s are only pullin 20 on the highway with shutting down 4 cyl.
in my 6.0 Chevy i get that with the plow on and 700lbs in the spreader and 1700lds in the bed