i knew,that's y i not dare to install the evo 4lor..actually i aim for the evo6.5,but i heard that is too expenive!!around 30k,rite?now i looking for a ck4 type GSR turbo,so far there is no stock for this type of GSR turbo,really make me headache.....any1 can help ne solve this problem??lobang king!!where r u???