2003-2007 5.9 Cummins tune update 15_22_RZR900 Disable SKIM & DTC's-

Disable SKIM & DTC's-

And for their customers to collect and submit logged data back to the tuner for analysis

CSP5 switch for use with 2006-2018 cummins trucks running efi live custom tuning

All torque and speed limiters disabled

com/autocal-v3-vin-license

2003-2007 5.9 Cummins tune update 15_22_RZR900 Disable SKIM & DTC's-If you have changed the setup on your truck considerably and require a retune this is what you will need. This applys to single level tuning and also our 4 6 level switch on the fly setups. Once you have placed an order please email us @ Optimalwelding@gmail. com with current full mod list and what you have changed. Tune updates will be completed and emailed back to you within 24hours.