The sho DOES NOT require premium fuel, ford just states in the fine print that to get maximum performance that premium is needed. So by using the same type of programming they can take advantage of the higher static compression in the focii.
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Triple MK3 Focus Sedans, a 12 Red Candy SE, a 12 Yellow Blaze Ti, and a 13 Performance Blue SE - 2013 Frosted Glass Escape Ti loaded
YBOG #01/L-CCC #18/HOIA #37