Best tuner for my 2018 gmc serra 6.2 ?

[Jimmyjack]

Looking for the best tuner for my 2018 gmc serra 6.2

[Jimmyjack]

Just trying to maximize horsepower and gas mileage 

[DominatorZ71]

20 minutes ago, Jimmyjack said:

Just trying to maximize horsepower and gas mileage 

You can't have both. If you have more HP you'll have less gas mileage. I like the predator tuners

[newdude]

You want mileage, stock with AFM on and do 55-65mph on the highways.

 

You want about 1-2mpg less but more power, custom tune and don't waste $$$ on a handheld.  

Edited June 13, 2022 by newdude

[m3n00b]

Blackbear got me more power and mpg

[cbprov]

Hi I am looking for a mpg tune ,power is okay thanks .