Tunes, parts & gear

EZLYNK TCM TUNING

Please include your VIN, and link your truck to highlyfediesel@gmail.com as your technician in the EZLynk app.

EZLynk tune: Cummins

Custom EZLynk calibration for Cummins pickups up to model year 2021. Built to your VIN and how the truck is used. Revisions included.

EZLynk tune: Duramax

Custom EZLynk calibration for Duramax pickups up to model year 2023. Built to your VIN and how the truck is used. Revisions included.

EZLynk tune: Power Stroke

Custom EZLynk calibration for Power Stroke pickups up to model year 2026. Built to your VIN and how the truck is used. Revisions included.

Mail-in ECM / TCM / module service

Bench service for ECMs, TCMs and other modules, nationwide: diagnostics, programming and module recovery. Send a mail-in request first. We confirm the job and send approval and shipping instructions before you ship anything.

HP Tuners tune: 2024-2026 L5P Duramax

Late-model L5P calibration through HP Tuners. Locked ECM, priced for the extra work it takes to get in and out clean. Sold separately from the EZLynk tunes.

Heavy duty & ag equipment tuning

Detroit, Paccar, Volvo, International, Hino, John Deere, Isuzu. Parameters set for the application and the hardware on it.

File service

Send your read, get the return file. Quoted before any work starts once we see the module and the platform.

Remote tuning

We connect to the truck where it sits and handle the whole session: read, calibrate, write and verify.

Bricked module recovery

Failed flash, dropped voltage, corrupt checksum. Bench recovery with return file.

Stock file backup & storage

Read, verified and archived so you always have a known-good original.

Calibration development

WinOLS map work for hardware nobody has a file for yet. Quoted before we start.

EZLynk dealer start-up

Account setup, tool pairing and first-flash walkthrough. Low flat rate per truck after that.

Dealer file credit, 10 pack

Prepaid block of dealer-rate files for shops running steady volume.

EZLynk Auto Agent 3.0

Wireless interface for supported light-duty platforms. Sold with dealer setup.

Nexiq USB Link 3 kit

Heavy-duty adapter with cables. The one that actually works with everything.

Diesel diagnostic computer, built to order

A complete laptop built and licensed for the platforms you actually work on. Software installed, activated and tested before it ships. We walk you through your first job on it.

Bench harness, built to order

Made for your ECM part number with power, ground and CAN broken out. Put the ECM part number in the truck field.

Highlyfe "More Than A Shop" tee

Black tee. Gold Highlyfe Diesel Services chest logo on the front. Full back print: the flatbed dually under the mountains, "Tuning · Diagnostics · Repairs" and "More Than A Shop, A Lifestyle."

2017-2023 L5P 3.5-inch Downpipe

2023-2026 Ford 6.7L Downpipe

Universal 5-inch Muffler

2017-2026 L5P 5-inch Exhaust Upgrade Kit - 409 Stainless Steel

2013-2018 Cummins 6.7L 5-inch Exhaust Upgrade Kit - 409 Stainless Steel

Ford 6.7L 5-inch Exhaust Upgrade Kit

2001-2010 Duramax 5-inch Exhaust Upgrade Kit - Aluminized

2001-2010 Duramax 5-inch Exhaust Upgrade Kit - Stainless Steel