hahaha!
Mr. Randrew needs to do some more lurking, or perhaps research, before posting one more time on a topic he is completely uninformed on.
edit: and as for the OP, I'd get the RS4 injectors from CTS Turbo. They are OEM and a good price.
cool lol. aftermarket plugs like ngk have a better heat range meaning not as likely to foul. when a plug gets to its proper heat range, it will still be able to give a good spark and also avoid a tip getting hot and causing pre detonation... which can blow a motor and ive seen it done before. being a boosted engine, your cylinders can get hot and pre detonation can happen. i hope that makes sense cause clearly i have no clue wtf im talking about. i suggest you spend a few extra bucks for a better plugs. think of it as insurance for your motor. it may not need it, but just encase, then youll be ready
i will say this, just normal street racing or daily drivers... or even drag cars dont need aftermarket plugs, but track cars DO need after market plugs. not sure if youve done track, but if so, id advice you to get ngk cause as i stated, you can blow a motor from a hot tip or even a plug fouling out.
as for the packs, i said i was going with f's... oem. they are only a few extra bucks too and provide much better spark. not sure why this isnt getting across but i could careless. ill spend a few extra bucks and you can save a few bucks. could careless. ill be racing my car in the summer at the local track, you might just drive yours to work and oem is fine for you. either way, dont care. in all honesty though, you being so smart about cars, you prolly should have known this already