06-07 LBZ DSP5 Custom Tuning

Once ordered, these are non refundable, nor returnable. After order completion you will be emailed asking for specific vehicle information. Once vehicle specific information has been gathered your custom files will be put into production. generally 1-3 Day lead time (this can vary depending on work load) 

The tunes you will receive for your Duramax will vary based off the modifications to your truck and can range from 0-1xxx HP increase!!

In general, DSP tunes will follow this specific order on the tunes you receive:

• Switch position 1=Stock/Factory (as close to stock as possible)
• 2 = Economy
• 3 = tow
• 4 = street
• 5 = race
• Unless we notify you differently when sending the tunes, this will be the power levels you receive when ordering a DSP5 tune.
• All files are built vin specific. Can only be used on the truck they are ordered for.