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  1. Charger Performance Mods - Engine - 5.7L HEMI
    Hey Guys, I am just about ready to take the plunge and order my DiabloSport Predator, but I have another quick question however. I currently run 87 octane 99% the time as I do quite a bit of driving, however I am considering switching to 89 octane for the increased performance and fuel...
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