Probably the one that will hurt performance the most. At least go for a CAI (filter in fender) rather than a short ram if you do decide to add one.
i just put in my injen CAI today and omg it sounds perfect. not sure what to compare it to but the intake sound and BPV are definitley a lot louder than stock, i love it, for now
i use short ram aem and it sounds good while giving 0 proformance.. soon gonna be changing to a aem or aps CAI
If you get an intake, please please please, either buy the K&N Typhoon or the Injen CAI. Both of these retain the stock diameter size which wont throw your maf into haywire.
i'd just do the silencer delete you will get turbo spool+bov sound and its not like you will gain anything from an intake anywayz.