sct x2 octane question
#1
sct x2 octane question
the highest octane available at the gas stations here in alaska is 90. so if i was gonna get a sct x2... should i get the 91 octane perf tune (because thats the closest octane rating that i can get here) or i should still get a 93 octane perf tune? which is the best one to use?
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