Reviewed By CLAY J (NEW BRAUNFELS, TX) Reviewed for a
—10/3/2015 11:38 AM
Easy install and instant power you can feel with Premium fuel .
Reviewed By Brian M (MCHENRY, IL) Reviewed for a
—1/22/2016 5:46 AM
The Hypertech Speedometer Calibrator worked perfectly on my 2015 Ram. I have 37" tires, and was able to adjust for the increased size. Speedo is now accurate.