F-con V has nothing thats for sure. Thats why it a pain to set-up and

most individuals dont use it.



F-Con S from my HKS to me said that the F-Con S, as piggy-back and its very user friendly. So you will be able to do it yourself.



F-Con V---Can be used as a Standalone or a Piggyback. If you do use them as standalones they are very hard to tune, and the F-Con V REALLY!!!! needs to be done by a professional