[V6Camaro2013]

Which air intake is best for a 2013 v6 camaro with LFX engine?

http://www.knfilters.com/mobile/mPro...prod=69-4523TP

http://www.coldairinductions.com/che...old-air-intake

http://www.spectreperformance.com/in...tm-filter.html

http://www.bbkperformance.com/produc...?car_motor_key[]=1691

Does it need a "spacer", I don't know the exact term, but I've heard of it.