Your one stop shop for all your diesel parts!!

Product Details
Share Product on Facebook

MCCBYRYAN 6.7 Cummins Advanced Tuning

Starting at: $450.00

Always Free Shipping

Please Choose:

Engine Internals

Product Description

Custom ECM & TCM Mapping written specifically for your vehicle by Ryan Milliken using H&S MCC Software and to be used with your H&S MiniMaxx or XRT Pro with an MCC Unlock Code. Files will be optimized for your vehicle based upon vehicle modifications, driver requests and intended vehicle use. "Tuning does not create horsepower, hard parts create horsepower, tuning simply unleashes it." -Ryan Milliken

MCCBYRYAN 2007-2012 6.7 Cummins Custom Tuning. Please fill out the information above to the best of your abilities, use the other info box at the bottom if you have pertinent information to your custom tuning. Expected turnaround time for initial purchase custom files is 1 business day. 30 days of custom file update support is included with purchase to ensure the file is setup properly and maximizing the potential of your individual setup. File update support after the initial 30 days will be considered a re-write and will be a flat rate $100 with an expected turnaround time of 1-2 business days. File support is non transferrable to other individuals or vehicles, this would be considered a new purchase unless special circumstances exist (vehicle total loss, theft, etc). Still have unanswered questions? Email

  • Model: Har139
  • Manufactured by: Hardway Performance