79-85 are carbed
86-88 cars are speed density(sp) unless the last owner changed it over
89-93 are mass air
it matters when you plan on modding as speed density(sp) dont like many mods and not many people can/will tune them anymore
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BAY AREA MUSTANGS
2004 Black Cobra
Mods= Amazon Racing Cold-Air, Mac Catted Prochamber, Mac 3" Catback