Adamo- the pod filters and K&N's are two different things the pods are Uni-filter foamies and the K&N's are well typical K&N cotton gauze. When going to the triples you can remove all of the intake ducting/plenum. Here is a how-to I did a while back on the under tank K&N setup. It's not too far off of the triples.
http://www.r3owners.net/showthread.php?t=187
http://www.r3owners.net/showthread.php?t=1102