i have a hks pfc fcon it came with the car and when i was wiring speakers in the other day i found a dreaded hks fuel cut defender and my heart sunk, ive researched a bit and i know its to do with fueling smoother flow slighter uprated on boost or whatever but i dont fully understand what it is, being my first v im paranoid and trying to iron out the creases with it slowly but surely, is it safe? edit: i know what the fuel cut defender does, im after info on this fcon thingy