2010 Scion with cild air and mod exhaust system.
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Join Date: Dec 2007
Location: State of Confusion: CA
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The Manual Recommends 87 Octane Unleaded Regular.
So just stay with 87 and you will be golden.
Mine is a 2015 RS9 with a TRD CAI and a TRD Center Exhaust.
Nothing will be Gain by using Super, Plus, or Premium.
The only thing that will change will be your shrinking wallet.
Last edited by MR_LUV; 01-06-2017 at 09:32 AM.