Reviewed By George S (Brownsville, OR) Reviewed for a 2013 Dodge Ram —4/22/2015 8:09 PM
Speedometer is dead accurate with 37x12.50r20 Nitto Trail Graplers on my 2013 Ram 2500 6.7L Cummins.
Reviewed By Shannon M (Burke, VA) Reviewed for a 2013 Dodge Ram —2/10/2015 8:31 AM
The tuner is simple and has all the information you will ever need, however it takes a very very long time to save the original format and install a tune. The 87 and 93 definitely had noticeable gains over stock and make the truck much more enjoyable to drive, but be ready to dedicate 15-20 min waiting on each tune to load.