Granatelli's Big-G Flash Tools install easily in minutes with no computer skills required. This tool will add horse power and torque to give you increased performance. Gas vehicles will gain 15-35 rear wheel horsepower and diesel vehicles will gain up to 140hp and 250 ft./lbs. of torque! Not only does the Big-G Flash Tool add performance, but it will also erase and scan DTC's.

Features and Benefits:

64MB Ram

Largest backlit screen available with adjustable color brightness and contrast

Custom tunes and updates available through Internet

WILL re-tune vehicle after factory re-flash of PCM

Gas tunes include 87 & 89 and 91 & 93 octane tunes

Diesel flash tools come standard with heavy towing load, regular towing load, performance & race modes

Won't void powertrain warranty

Offers adjustability of top speed limiters

Rev limiters in any gear

Shift timing & shift pressure (automatics only)

Speedometer re-calibration for multiple gear ratios

Speedometer re-calibration for multiple tire size changes