I've heard that RaceChip is a pretty nice start to get that extra kick out of the F90. I've also heard that DME is a great way to say f*ck it & full send it safely. I haven't done either because I feel that the f90 already has so much power from factory that i ask myself, where am i trying to go? the moon? LOL 600hp 4.4 liter Twin Turbo v8 is as great as it gets imo.
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