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New 2021 ST
- Thread starter Bajajt
- Start date
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Not to sound like an idiot, but would you mind simplifying that statement? I had read up on it but still a bit confused on what they actually do. Do you have it done to your ST? I have an Exxon station 5 minutes from my home that has 93 octane that is 249 a gallon. I fill up my two hellcats and my St there twice a month. West Palm Beach tuning wants to sell me the 93 octane tune for $635 I think. I'm just not sure what he actually does for that money and cannot get confirmation if it voids the warranty
