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People usually pull the fuses because dealerships tend to put 87 in the gas tank which can hinder performance. You're suppose to run out the gas tank, then run through 1 or 2 full tanks of premium gas before you pull the fuses. This insures that there is minimum to no low octane fuel left in the tank.
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The car will slightly suffer in performance unless this is done after running low grades of fuel.
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2014 2SS
Credit to xVengeancex28
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