alright guys im thinking of a bluefin and wanted to purchase this asap, but i keep hearing about dreamscience and im not sure what is best for me, my car is standard at the min but i am thinking of adding exhaust and filter in next 4 month, i was told bluefin now then after exhaust and filter just use bluefin again? not sure if thats correct or not or like i say if dreamscience would work best for me.as you can tell i have no idea of these so any advice is a plus, thanks in advance guys.dave.