Tuning

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Please verify all information is correct BEFORE ordering. VIN licenses ARE NOT refundable under any circumstance.
This switch is required to change power levels on the fly. This switch also works for LML’s tuned with EZ…
Need to link your old CA Autocal to CTT? Enter the Serial No. off the back of your unit. Do…
CTT is proud to offer transmission tuning for your Allison 5 and 6 speed equipped Duramaxes! Our transmission tuning will…

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 entered the VIN incorrectly on your order, enter the correct VIN and the order number with the incorrect…
For existing customers wanting to upgrade from a single tune to DSP, you’ll need this and a DSP5 switch.
2001-2005 Duramax EFI Live Tuning

2001-2005 Duramax EFI Live Tuning

$225.00$690.00
Link to CTT

Link to CTT

$0.00
GM LSX Tuning

GM LSX Tuning

$150.00$500.00
Incorrect VIN

Incorrect VIN

$50.00

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