I got a Jet Programmer as a gift and don't know if I wanna sell it and get a different on or hook it up. I am getting ready to put my Hi-flow cats on this weekend and just recently got my new 34" tires. With all the changes would this programmer do me any good? I don't need more power or performance necessarily but I wouldn't mind improving the gas mileage a bit and also leveling out my speedometer. Is it worth it to keep this Jet Programmer or should I sell it?

If anyone has used a jet programmer please let me know what you thought and what it did for your f150. I have an 05 Fx4 2 1/2 level with 34" Trail Grapplers.

Thanks.

 

Does anyone have any suggestions on what a programmer can do for your truck? Performance or MPG?

 

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