Tuning

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Customers must use EFLive V8.2.24 or later software to generate auth-codes. Auth-codes generated by older versions of the EFILive software…
CTT is proud to offer transmission tuning for your Allison 5 and 6 speed equipped Duramaxes! Our transmission tuning will…
2 Required per Truck   L5P requires 10
If you entered the VIN incorrectly on your order, enter the correct VIN and the order number with the incorrect…

GM LSX Tuning

$150.00$500.00
DoD Advanced Tuning Trans Tuning MUST SEND A STOCK ECM READ TO   Support@CTTTuning.ca  MUST HAVE ORDER NUMBER IN SUBJECT…
If you’re attempting to purchase a VIN license and need to increase the VIN slots on the Autocal, you will…
For existing customers wanting to upgrade from a single tune to DSP, you’ll need this and a DSP5 switch.
Allowing the Dodge or GM unlock on a FlashScan V2 device.
For highly modified vehicles. Contact us before ordering.
2001-2005 Duramax EFI Live Tuning

2001-2005 Duramax EFI Live Tuning

$225.00$250.00
Incorrect VIN

Incorrect VIN

$50.00
GM LSX Tuning

GM LSX Tuning

$150.00$500.00

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