Tuning only for use with a autocal or flashscan, HP of your choosing.

11-16 LML/LGH

14-21 LWN (Colorado/Canyon) requires stock read to be emailed

14-19 Cruise requires stock read to be emailed

GMC Terrain and Equinox requires stock read to be emailed

Duramax EFI Live tuning files only

Name: Duramax EFI Live tuning files only
Price: 500 USD
Availability: InStock

US$500.00

LML/LWN trans tuning

Vin License (please include auth code)

Single or Shift on the fly tuning

VIN, Autocal/Flashscan serial number

0/500

Mods, tire size, transmission type and single tune HP (if applicable)

0/500

Quantity