I am getting the spool FMIC, and Terry ensure me trhat there will no cooling problem, since he has it on other turbo kits too. The stock intercooler will stay, because you need it to support the radiator.
Kevin
Go to wantagh, they are the best. I've got my a couple of weeks ago. They still have a slive and yellow there. Look for David " the Salesman" He is very nice also.