The Flashpaq programmer is the world's best selling performance upgrade for GM Duramax trucks. Offering tremendous power and torque gains and incredible fuel efficiency, the Flashpaq is the perfect upgrade for your RV puller, your off-road rig or your daily driver. Choose from three performance settings to fit your needs and upgrade your programmer via the internet to get the latest calibrations for your vehicle.

Features KEY FEATURES:

• Increased Horsepower and Torque
• Easy Installation
• No Tools Necessary
• Improved Fuel Economy
• Optimized Driveability
• Diagnostic Trouble Code Reading Capability