Per our tuning agreement form Trucks with the following modification do require an additional fee.

** Please note the modifications in your tune file form you fill out after checkout

There are the only modifications we are willing to do at this time

Duramax:

• Injection Pump (cp3 conversion)
• Injectors (flow sheet preferred if possible otherwise we are taking a pure guess)
• Aftermarket Turbo (VGT or Non VGT)
  • will only do preapproved compound setups
• Not considered a modification for a fee
  • High flow air kits
  • intakes
  • Lift Pumps

Powerstroke

• Injection pumps
• Injectors (flow sheet preferred if possible otherwise we are taking a pure guess)
• Turbos (VGT and non vgt)
  • 6.4L single turbo conversion
• Not considered a modification for a fee
  • High flow air kits
  • intakes
  • Lift Pumps

Cummins:

• Injection Pump (cp3 conversion)
• Injectors (flow sheet preferred if possible otherwise we are taking a pure guess)
• Aftermarket Turbo (VGT or Non VGT)
•  Not considered a modification for a fee
  • High flow air kits
  • intakes
  • Lift Pumps

*** All mods are subject to tuner