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im new here and i was wondering with a delete pipe and with a tuner what you guys are getting out of the 6.4 for mpg trying to deside to do mine or not any input would be greatly appresiated.
13 mpg hwy before 18 mpg after spartan 210 tune/delete others may say better but I am sitting on a 6" lift and 35's don't help my aerodynamics too much . oh and thats averaging 80mph with a/c on
thanks for the input my best was 17 on the highway and that was only ones normally around 16.5 i am thinking i am going to do the delete just waiting for my warranty to run out