Thread: Cold Air Intake C.A.I
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Old 05-30-2009, 02:26 AM   #1
n1stang
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2009 Ford Mustang
 
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Vehicle: 09 ford mustang gt
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Default Cold Air Intake C.A.I
Do all cold air intakes need an ECU tune and need to run on 91 octane or are there some that run with stock ECU and 87 octane fuel?
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