20 XRT Pro Installation Manual • www.hsperformance.com
2003 2007 6.0L FORD POWERSTROKE USA / ULSD CALIBRATION
Power Levels
Power Levels can be adjusted on-the-y at the touch of a
button after Installing the Download to the vehicle. To adjust
the Power Level, select Change Power Level from the Main
Menu.
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 dierent rat-
ings and can be found at www.hsperformance.com/update-instructions.
Speed Limiter
This option allows for the removal of the factory speed limiter. Most 6.0L Powerstroke trucks
have a 95 MPH speed limiter from the factory. The limiter can be removed completely or left
stock (this may change so be sure to visit www.hsperformance.com for product updates). This option can
only be changed during the Install Download process.
Tire Size Calibration
(Not currently available for the 2003 - 2007 6.0L Powerstroke. This may change so be sure to visit
www.hsperformance.com for product updates) 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 en-
tering a smaller tire size will cause the factory speedometer to read lower.
Tire size can be adjusted
from 25” to 40”. This option can only be adjusted during the Install Download process.
POWER LEVELS
Stock .................... 0 HP
Tow
.................... 40 HP
Street
................. 80 HP
Performance
... 120 HP
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