2001-2010 GM DURAMAX
- READ STOCK READ WITH EFI LIVE
- MEASURE TIRE DIAMETER WITH A TAPE MEASURE
- DO YOU WANT A SINGLE TUNE?
- HOW MUCH HORSEPOWER?
- DO YOU WANT DSP5 TUNING?
- STOCK OR BUILT TRANS?
- OTHER MODS?
2011-2016 LML DURAMAX
- TYPE OUT VIN NUMBER IN ALL CAPS (17 DIGITS)
- AUTOMATIC OR MANUAL TRANSFERCASE
- MEASURE TIRE DIAMETER WITH A TAPE MEASURE
- DO YOU WANT A SINGLE TUNE?
- HOW MUCH HORSEPOWER?
- DO YOU WANT SOTF TUNING?
- CP3 OR CP4?
- PICKUP OR CAB AND CHASSIS?
- SINGLE OR DUAL TANKS?
- DOES THE CUSTOMER HAVE A FASS, AIRDOG, OR OTHER LIFT PUMP?
2017-2023 E41 L5P DURAMAX
- READ STOCK READ WITH HP TUNERS MPVI OR RTD4
- MEASURE TIRE DIAMETER WITH A TAPE MEASURE
- DO YOU WANT A SINGLE TUNE?
- HOW MUCH HORSEPOWER?
- DO YOU WANT SOTF TUNING?
- PICKUP OR CAB AND CHASSIS?
- SINGLE OR DUAL TANKS?
- STOCK OR BUILT TRANS?
- OTHER MODS?
2024-PRESENT E42 L5P DURAMAX
- UNLOCK ECM
- READ STOCK READ WITH HP TUNERS RTD4
- MEASURE TIRE DIAMETER WITH A TAPE MEASURE
- SINGLE TUNE OR 4 TUNE PACK?
- STOCK OR BUILT TRANS?
- OTHER MODS?
- PICKUP OR CAB AND CHASSIS?
- SINGLE OR DUAL TANKS?
2013-2021 6.7 CUMMINS
- TYPE OUT VIN NUMBER IN ALL CAPS (17 DIGITS)
- WHAT TRANSMISSION?
- DO YOU WANT A SINGLE TUNE?
- HOW MUCH HORSEPOWER?
- DO YOU WANT SOTF TUNING?
- CP3 OR CP4 (19-20)?
- PICKUP OR CAB AND CHASSIS?
- SINGLE OR DUAL TANKS?
2022-2024 6.7 CUMMINS
- READ WITH HP TUNERS / RTD4 AND EMAIL OR SYNC WITH CALCOTUNINGMX@PROTON.ME
- DOES IT HAVE A FACTORY OR MODIFIED ECM? (HP TUNERS MODIFIED ECM MAY REQUIRE WITECH TO FIX IMMO AND SKIM DATA AFTER FLASH)
- PICKUP OR CAB AND CHASSIS
- 68RFE OR AISIN TRANSMISSION
- DUEL OR SINGLE FUEL TANKS (CAB AND CHASSIS ONLY(
- SINGLE OR SOTF?
- HOW MUCH POWER IF SINGLE?
- MODIFICATIONS?
2013-2026 POWERSTROKE
- TYPE OUT VIN NUMBER IN ALL CAPS (17 DIGITS)
- DO YOU WANT 4 WEEK OR LIFETIME SUPPORT?
- YEAR