 
The Pacific Performance Engineering (PPE) Xcelerator Tuner for the 2006 Hummer H1 Alpha Duramax diesel engine.
Features:
* 2006 Duramax Diesel H1 Hummers.
* 7 Power level tunes, tire size, gear ratio and speedometer corrections. Speed limiter removal.
* Simple download into the OBD II port under the dash. 1-year warranty.
Description:
Once again, for your biggest power, PPE developed the H1 Alpha Xcelerator.
This unit is designed to work with the 2006 H1 Hummers with the Duramax
Diesel.
Features of the H1 Alpha Xcelerator include up to an additional 280hp, speedometer corrections (for tire sizes ranging from 25" to 44.75" in 1/4 increments, and/or gear changes from 2.23 to 5.13), governor removals, and seven levels of performance.
The Horsepower levels are as follows:
Level I
40HP
Level II
70HP
Level III
95HP
Level IV
130HP
Level V
180HP
Level VI
210HP
Level VII
280HP !!!
Program levels 1 thru 7 will remove fuel (defuel) from engine during shifts as needed to keep an un-modified transmission from slipping.
In addition, the H1 Alpha Xcelerator raises the rev limiter to 3,800RPM. This unit also retains the stock program so that the truck can be put back to the original settings if the need arises. The H1 Alpha Xcellerator increases the efficiency of the vehicle, which increases fuel mileage (2-3mpg on average). It also defuels for upshifts and down shifts in order to allow transmission to engage into next gear without the need for extreme transmission modifications.
In addition to being an all-star in the world of performance, the Xcelerator is also capable of reading and clearing Data Trouble Codes (DTC) through the OBD II port. H1 Alpha Xcelerator can reset the Allison transmission for the "Fast Learn" operation to begin.
In order to insure that you are getting the best product available, we have tested this product off-road, in the desert, the 1/4 mile drag strip, the Rocky Mountains , and in the dyno room. You can also stack the Duramaximizer, Propane, and/or Nitrous with the Xcelerator for even greater results.
(Note: This unit delivers extreme horsepower and torque. Upgrades to the drivetrain are highly recommended!)
*Hard shell case included*
* Horsepower and Torque is represented at the crank
We have the best price around for PPE diesel performance systems! If you want your vehicle to have the highest horsepower and torque at the lowest price then your only choice is PPE from Grimm Performance! You will see horsepower and torque increases! You will get better gas mileage! Independent tests prove it! PPE provides a full warranty for this product. Due to their restrictions, Grimm Performance cannot provide an instant money back guarantee for this item. All returns must first go through PPE for their approval. Once we have PPE's approval and credit, your purchase can be refunded. We apologize for any inconvenience, but we are simply abiding by PPE's policy.
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