Collection
Digital Tuning Services & Downloads
Digital Tuning Services, Calibration Reviews and Downloadable Tools
Shop DD84 remote tuning support, ECU file reviews, diagnostic deposits, PCM service booking, Holley EFI calibration products, digital checklists and professional performance resources.
Start with the service that matches your goal
- Not sure the vehicle is ready? Choose a Remote Tune Readiness Review.
- Need expert file feedback? Choose an ECU Tune File Review or Tune Support Advisor.
- Need a vehicle-specific calibration? Select the matching GM, Ford, Dodge, Toyota/Lexus or Holley EFI service.
- Need a downloadable workflow? Choose a checklist, calculator, course or tuning toolkit.
Digital and service products do not require physical shipping. Vehicle support, mechanical condition and required files must be confirmed where stated on the product page.
24 items
Tuned Vehicle Maintenance Checklist PDF | DD84
$14.99
LS Cam Swap Tuning Checklist — HP Tuners Gen 3/4
$24.99
Remote Tune Readiness Review — Is Your Build Ready?
$49.00
Pops & Bangs Add-On
$50.00
Check Engine / No-Tune Diagnostic Deposit
$75.00
Performance Wiring & EFI Power Diagnostics
$75.00
LS Cam Swap Base Tune Review — HP Tuners
$99.00
ECU Tune File Review — GM / Ford / Dodge
$99.00
DD84 Tune Support Advisor — Written Setup & Datalog Guidance
$99.00
PCM Service Booking Deposit
$100.00
Holley EFI Fuse-Blowing & Power Loss Diagnostic
$125.00
DD84 Holley EFI 4L80E Custom Transmission Calibration
$129.00
Performance Shop Tuning Support Session
$150.00
S550 Coyote HP Tuners Course — 2015–2023 Mustang GT
$199.00
DD84 Holley EFI Custom Boost-Control Calibration
$199.00
Dodge / Mopar PCM Unlock Service
$200.00
Holley EFI LS NA Startup Calibration File
$275.00
P01 5.3L LS Chop Cam + 4L60E Base Tune
$299.00
GM Custom ECU Tuning Service
$350.00
Ford Custom ECU Tuning Service
$350.00
Dodge / Mopar Custom ECU Tuning Service
$350.00
Holley EFI Cammed LS Startup Calibration File
$399.00
DD84 Holley EFI Complete LS Custom Calibration Bundle
$399.00
Toyota / Lexus Performance Tuning Service
$400.00