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ProFlex Commander or ?

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I have a 2019 Charger Scatpack.
Just wondering what will make more power and be a better approach in converting to E85? The ProFlex Commander or swapping fuel lines, injectors, etc.? I heard that getting an E85 tune can hurt your car because some gas stations aren’t true E85? And that ProFlex prevents that?
Mods so far is Catless JBA mids, Legmaker CAI and Jay Greene Tranny and Engine tune.