Are there states that do no have 93 Octane?  I live near Washington DC.  VA, MD, & DC all have 93 Octane.  
Second Question: If you can only go up, it may be safer (if traveling often) to stick with a tune for 91. But will I get more Horsepower/Torque from a 93 tune?
		
	Second Question: If you can only go up, it may be safer (if traveling often) to stick with a tune for 91. But will I get more Horsepower/Torque from a 93 tune?
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