Quote:
Originally Posted by xcuz31
Where i am gas station only sell 93 octane and is it ok yo run 91 octane tune with 93 octane gas?
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Gotcha. I don’t run the HKS System, but I wouldn’t run ANY FI system without the proper tune, and more specifically a proper custom tune for your specific vehicle and it’s mods. Not only are you going to get the most potential out of it, you will also run it the safest/with the least risk.