DD84 Pre-Made Tune & Calibration File Store

ECM-matched calibration files, startup/base tunes, installation guidance, remote file delivery, and HP Tuners loaner support.

This collection is organized by controller family so customers can purchase the correct workflow instead of guessing by vehicle alone.

How it works

1. Select your ECM/ECU family.
2. Provide the required vehicle, engine, transmission, fuel, modifications, VIN, controller and operating-system information.
3. For HP Tuners stock ECMs, provide a stock/original read whenever required.
4. DD84 verifies compatibility before releasing the calibration file.
5. Follow the included installation/write instructions and save your original file before making changes.
6. If you do not own compatible HP Tuners hardware, select the DD84 loaner option for approved stock-ECM applications.

Important: These are starting/base calibrations or matched pre-built files, not a substitute for mechanical inspection or datalog verification. Do not blindly flash a file from another vehicle. Credits, unlocks, specialty cables, or controller services may be required depending on the application. Emissions-system defeat services are not included.

Need help? Email downdirty84llc@gmail.com or visit downdirty84llc.com.