DD84 CATALOG

Shop All DD84 — Tuning, Diagnostics, Wiring & Performance

Performance tuning, diagnostics, wiring tools and enthusiast gear

Explore Down Dirty 84’s complete catalog of remote and in-person calibration services, ECU and PCM solutions, Holley EFI support, pre-made starting calibration files, diagnostic and wiring tools, equipment-loaner options, digital shop resources and DD84 apparel.

Shop by platform or problem, review each product’s compatibility and requirements, and contact DD84 before purchase when your vehicle or controller is not listed.

Start here: choose a tuning service, book a diagnostic review, or shop practical garage tools and digital resources.

91 OFFERS
DD84 Haltech Elite Nexus base calibration file
Calibration file
DD84 Haltech Elite / Nexus Base Calibration File
From $299.00
DD84 Dodge GPEC NGC pre-made base calibration
Calibration file
DD84 Hemi GPEC2 / GPEC2A / NGC4A Base Calibration
From $399.00
DD84 Ford Copperhead Tricore pre-made base calibration
Calibration file
DD84 Ford Copperhead / Tricore Base Calibration
From $399.00
DD84 GM E92 E92A Gen V pre-made base calibration
Calibration file
DD84 GM E92 / E92A Gen V Base Calibration
From $399.00
DD84 GM E40 E78 pre-made base calibration
Calibration file
DD84 GM E40 / E78 Base Calibration
From $349.00
DD84 GM E38 E67 Gen IV LS pre-made base calibration
Calibration file
DD84 GM E38 / E67 Gen IV LS Base Calibration
From $349.00
DD84 GM P01 P59 Gen III LS pre-made base calibration
Calibration file
DD84 GM P01 / P59 Gen III LS Base Calibration
From $299.00
DD84 PCM TCM Unlock and Tune Concierge for controller access planning
Diagnostic review
DD84 PCM / TCM Compatibility & Unlock Planning
From $99.00
DD84 Fuel System Calibration service for injectors E85 flex fuel and boosted setups
Service
DD84 Injector, E85 & Flex-Fuel Calibration
From $399.00
DD84 Tune or Mechanical Diagnostic to separate calibration faults from hardware problems
Diagnostic review
DD84 Tune-or-Mechanical Diagnostic Review
From $149.00
DD84 LS and Hemi Swap Commissioning service from first fire to road-ready calibration
Service
DD84 LS / Hemi Swap Startup & Drivability Service
From $599.00
DD84 Transmission Optimization service for shift quality and converter behavior
Service
DD84 Transmission Tuning — Shift Quality & TCC
From $149.00
DD84 Cammed Street Calibration service for idle start and drivability problems
Service
DD84 Cammed Street Tuning — Idle & Drivability
From $499.00
DD84 Tune Evaluation diagnostic service - no tuning included
Diagnostic review
DD84 Bad or Unknown Tune Evaluation
$149.00
DD84 Specialty Cable Remote Tuning Equipment Loaner Kit
Equipment deposit / loan
DD84 HP Tuners Specialty Cable Loaner Kit
$689.00
DD84 Standard Remote Tuning Equipment Loaner Kit
Equipment deposit / loan
DD84 HP Tuners Standard Equipment Loaner Kit
$589.00
DD84 Holley EFI tuning services for remote and in-person performance calibration
Service
Holley EFI Tuning Services | Remote & In-Person
From $275.00
DD84 Holley EFI LS calibration digital bundle
Calibration file
DD84 Holley EFI LS Startup Calibration Bundle
$399.00
DD84 Holley EFI LS calibration digital bundle
Calibration file
DD84 Holley EFI Boost-Control Calibration
$199.00
DD84 Holley EFI LS calibration digital bundle
Calibration file
DD84 Holley EFI 4L80E Transmission Calibration
$129.00
DD84 Holley EFI LS calibration digital bundle
Calibration file
Holley EFI Cammed LS Startup Calibration File
$399.00
DD84 Holley EFI LS calibration digital bundle
Calibration file
Holley EFI LS NA Startup Calibration File
$275.00
DD84 Professional Shop License GM Tuning Toolkit flyer
Digital resource
DD84 Professional Shop License – GM Tuning Toolkit
$399.00
DD84 GM Gen III and Gen IV Professional Workflow Bundle flyer
Digital resource
DD84 GM Gen III/IV Professional Workflow Bundle
$149.99
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