sct economy tune
Looking at the prospect of buying a sct tuner. The ones with the preloaded tunes and the room for a couple custom tunes. Realistically speaking, what kind of better fuel economy can I expect from the economy tune? Not really looking for more power, but some more mpg's have me interested in making the purchase. That being said, maybe my question should be: what's everyone running for tuners and why? Is there one that gets better mpg's right out of the box without a custom tune?
I should mention the only mods to my truck are an egr delete and 4" turbo back exhaust with only a muffler and no cat. tia