hi ive got a kingston 512mb flash pen, ps2save-builder, xploder v5 cd & action replay max

my problem is i dont know how to get save games for gt4 to work on my playstation 2
my usb pen is recognised by xploder v5 but not my action replay max so i can get saves to my memory card but i dont know how to unpack them when i get them there
i can put the saves on with xploder then try and unpack with action replay max but i dont know what im doing any help would be great thanks