ive been reading about nos on the wrx.....and so far i see 50 shot i ok....well with the 50 what else do i need tomake it run safe....
ive got an up pipe,dp,catback,bov,samco hoses,intake.....i would need fuel pump? and what else....thanks for any help....i will be doing this sometime in jan. thanks in advance!

also what is the best nitrous system for the wrx? thanks!