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  1. Performance Discussion/Modifications (2011 +)
    I have a 2014 Charger RT 5.7 with 33,000 miles, I just installed a AFE cold air intake and Corsa Extreme exhaust. I was looking to get a diablo tuner but wanted to know if I should run the 89 octane tune or is it safe to run the 93 octane? It is safe and worth the extra gas money? It is my daily...
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