Originally Posted by icantdrive75
Better performance is a given, assuming you have supporting mods like the injectors and all that.
If you're modifying your Subaru to run E85, you wouldn't buy expensive injectors. Instead, you'd install an adjustable fuel pressure regulator. That way, if you found that E85 was temporarily inaccessible, you'd simply lift the hood and adjust your FPR to the "stock" 43.5 PSI setting.