i had a simple cabby before but now have an cm elite 431 plus which has 3 cabby fans front is intakw n rear n top r exhaust but there is no temp. diffrence btwn pre. n this cabby why so although it has 3 fans and plz tell how to make a fan intake or exhaust n should i make any dffrnce to my fans i mean make intake exhaust to bring down temps thnx