Question
how well does the fuel economy improve after time do you see a 5 miles per gallon increase or more
i have a 2007 dodge ram 1500 4.7 L flex fuel an woundering if i were to install these would it cause a problem knowing that it is a flex fuel truck but i am just running off of regular gas right now i haven't yet put E-85
asked 1 year, 8 months ago
on GIBSON SWEPTSIDE SINGLE CAT-BACK EXHAUST SYSTEM FOR GAS ENGINES