I am putting in a cold air intake on a 89 Escort Gt 1.9l the only problem is that there are 3 hoses that connect to the air fillter, one of them goes in to the engien block which I can deal with but there are 2 more that the pipeing leads under the engien block does anyone know what these are for and if I disconect them so that they are not connected to the air fillter will it be a problem?