MCCBYRYAN 6.7 Cummins Basic Tuning

Basic ECM & TCM Mapping written with H&S MCC Software specifically for your 2007-2012 Cummins by Ryan Milliken. Files will be optimized for stock to moderately modified trucks utilizing stock injectors and CP3. "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 info@hardwayperformance.com