2004.5 - 2005
The Duramax Predator is a state-of-the art high performance tuning flash programmer, which advances the injection timing, optimizes the injection pulse width. DiabloSport’s programming is performed in very small increments throughout the entire RPM range, for a smoother, wider and a more predictable power delivery.

A Predator equipped vehicle will notice significant improvements in drivability. The additional power created by the Predator tune will yield quicker acceleration, better mileage and improved towing characteristics, whether it is in town or out on the highway towing an 8,000 lbs trailer.

The Predator features end user adjustable parameters so the end user can customize his/her tune depending on other modifications done to the vehicle.

• Adjustable Speed Limiters
• Re-Calibrate Speedometer for Gear Changes
• Re-Calibrate Speedometer for Tire Size Changes

The Predators diagnostic features allows end user scan and erase fault codes as well as monitor live data while driving. Predator can read and erase fault codes, and contains all the GM diesel specific P codes. Predator diagnostics will work on all Chevy and GMC Duramax vehicles. The PC Interface Kit allows you to connect your Predator to your PC. And the 2004.5-2005 Predator for the Duramax LLY will unlock itself from vehicle once original backup is restored so it can be used on another vehicle.

U7185

Stock Tune - with adjustable speed limiters. Speed limiter to approximately 120 MPH varies based on vehicle setup weight, tire size, 2wd vs. 4wd, etc.

40 HP and 100-ft/lb TQ - Tow Tune, made specifically for towing. DiabloSport recommended weight limitations based on manufacturer suggested limits for the vehicle.

65 HP and 140-ft/LB TQ - Economy Performance Tune, designed for Economy and Performance, fuel economy depends solely on driving style, and will vary from vehicle to vehicle. DiabloSport recommended weight limitations of 8,000 Lbs.

85 HP and 170-ft/LB TQ - Performance Tune, designed specifically for performance street driving. DiabloSport recommends this tune not be used for towing.

100 HP and 250-ft/LB TQ - XPerformance Tune, designed specifically for the track and maximum performance. DiabloSport recommends this tune not be used for towing.