View Single Post
Old 04-17-2018, 04:56 AM   #45
ctwebb
Montana Fan
 
Join Date: Jul 2013
Location: Murfreesboro
Posts: 163
M.O.C. #13637
We just installed a Spartan tuner and removed all the emissions junk on the exhaust of my 6.4 . Have a ton more power/torque and getting about 4 more miles to a gallon. If its out of warranty , I would recommend doing the same.
ctwebb is offline   Reply With Quote