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I am looking at getting the Cobb can flex fuel upgrade + fuel pressure kit for my 2021 wrx that Mig tuned back in 2023. I have not added any other mods, and have no plans.
1.Which tune plan should I order?
2.Should I get an upgraded fuel pump if I don't plan on adding any other mods?
3.Does my old maps get reused or are they useless after the flex fuel maps are created?






















It always feels good to finish the tune. But if your build isn’t done then you’re just itching for the next one to do it all again haha.