1-888-628-1730 • XRT Pro Installation Manual 15
2007 - 2009 6.7l DoDge cUMMins
Usa / UlsD caliBraTion
Power levels
To adjust the Power Level, select
change Power level
from the
Main Menu and follow the on-screen instructions.
noTe:
The Power Level ratings listed may not be exact for your particular
vehicle. The listed ratings apply to the out-of-the-box tuning that H&S tuning
devices are shipped with. Any custom downloads may result in different rat-
ings and can be found at www.hsperformance.com/update-instructions.
low Boost fueling
This option allows for the selection of low boost fueling during the
download process.
High rail Pressure
This option allows for the selection of higher rail pressure during the download process.
2 levels:
1 – 26,100 Psi (Default)
2 – 27,500 Psi
speed limiter
This option allows for the adjustment of the factory speed limiter. Most 6.7L Cummins trucks have a
106 MPH speed limiter from the factory. The limiter can be adjusted from 20 MPH to 200 MPH. This
option can only be adjusted during the Install Download process.
Tire size calibration
This option allows for the re-calibration of the factory speedometer to adjust for non-stock sized tires.
For the most accurate speedometer reading when using non-stock sized tires, it is best to measure
the diameter of the tire using a tape measure rather than going by the printed tire size. In addition,
using a GPS is a great way to dial in your factory speedometer. Entering a larger tire size will cause
the factory speedometer to read higher while entering a smaller tire size will cause the factory
speedometer to read lower. The tire size can be adjusted from 25.5” to 45”. This option only takes a
few seconds to change and can be adjusted at any time from the Tire Pressure Calibration menu.
special functions / features
Your H&S tuning device has the capability of Enabling / Disabling factory vehicle features. These
features can be found in the Special Functions Menu. Below is a short description of each feature:
noTe:
If any special feature is already listed as Enabled but is not functioning correctly, you may need to disable the
feature, cycle the key, and re-enable the feature to make it function properly.
If it still does not work, your vehicle
may not be equipped with the hardware required for the special feature.
The previous selection will NOT be
saved. If the Special Functions/Features Menu is exited and returned into, it will not display your previous selection.
This is normal and the Enable/Disable function is still working properly.
Power LeveLs
Stock
. . . . . . . . . . . . . . . . . . . .
0 HP
Tow
. . . . . . . . . . . . . . . . . . . .
40 HP
Street
. . . . . . . . . . . . . . . . .
80 HP
Performance
. . . .
120 HP
