yes I get that but this all should have been disclosed before buying. these are questions that I asked specifically and have been fighting this for weeks and only today do they tell me this. ive been back and forth all day today with support only to be left high and dry. I have essentially spent money that could have just as easily went to the engine and then in the future after it sits on the stand for a year they may actually support the older vehicle. there has to be a way I have seen to many ppl with twin turbo or SC hemis it is important to keep the factory ecm because in Phx AZ we have emmisions and aftermarket ecms usually don't pass.