Intake...?????

i have a 06 X..
and i have a K&N Filter in right now..
but i want a little b it more power and sound..
and i dont know wat to go with..
Im thinkin bout goin with a:

K&N Intake
or
AEM
or AirRaid..

whicch one u guys think..
im thinkin bout da AirRaid..gettin da intake and a throttle body spacer...

Go to Xterra Polls, there are quit a few going on in there.

I just installed a k&n air filter and dremaled off the bottom half of my airbox sounds amazing now...