Would you need anything from the tuner??? Before I email you?

How would I go about getting a custom tune for long tube headers and cold air intake as well as 93 octane fuel

How do I go about getting a custom tune for long tube headers and cold air intake

2012 gmc sierra 5.3 v8

i keep getting wrong sku type message when trying to tune. ive updated everything to my knowledge. i just bought the tuner and the truck has never been tuned. if anyone would know the issue and knows how to fix please let me know thank you.


serial number- 202324635