If you are still using the stock airbox/maf housing, you should probably be using the stock intake tune. If you are using an intake that replaces the maf housing, you will likely want a tune customized for that intake. At this moment, only a tune for the Airaid intake is available. From what I understand, @
shiv@vishnu and company will be releasing tunes for other intakes in the future as time and available testing parts allow.