DD84 Worldwide Online Tuning & Pre-Made Calibrations

Down Dirty 84 delivers controller-matched pre-made calibration files and remote tuning support online for supported stock and aftermarket ECM systems. No shop visit is required for approved applications.

What You Can Buy Online

• GM, Ford and Dodge controller-matched base calibrations
• Holley EFI remote and startup calibration services
• Haltech and FuelTech base calibration files
• Remote cammed, fuel-system and drivability calibration services
• HP Tuners loaner equipment for approved stock-ECM applications

Compatibility comes first. Controller family, operating system, hardware, fuel and modifications are verified where required before file delivery.

Shop Pre-Made Calibrations   |   Remote Tuning & Loaners   |   Check Compatibility

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