It depends on if your car is tuned to run 93 octane or not. If your car is specifically tuned to run on 93 octane then you should only put 93 octane in or you'll run the risk of detonation. Now if your car is stock and runs on 87-89 octane and you adds these performance parts you can still run 87-89 octane. It's also good to check your owners manual to see what octane your car takes if it has not been tuned via hand held tuner, chip, what ever the case may be.
Hope this helps! Brandon
Answered by Brandon D.from Charlotte |
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