Originally Posted by chithead
Thanks Tom! I do indeed enjoy it quite thoroughly. Has made a huge improvement. Anyone that rides in the truck can't believe it's the 4.7 and not a HEMI. I highly recommend Bully Dog's Tuner.
Going to be adding a CAI and muffler here soon, hopefully wel'l see even more gains
I was on Bully Dog's site the other day and couldn't find it for the 4.7