i hate to see a n2o thread go unanswered,but this is a tough one,you have a brand new bike,are you really looking for the maximum shot? or someplace to get started ?
the slipons will do little for performance,the stock cans have lots of volume,the restriction is in the oem header
i would like to go back to the stock exhaust on my bike,but i need to decide how to remount the co2 shifter
for the cost/bennefit,it's hard to beat a dry shot
there is lots of info here and at sho,among others,research is your best bet
there are a few threads in here and at sho on my setup
i also have a 03 zx 12,stock exhaust (modded) and a single .036 jet
all this typing,and i don't think i answered any of your questions.....oh well,i tried