Buttoning down the hatches? Greg, my son and I were out riding waves on our boogie boards last night in OC, MD.
K&N filters are widely used and allow good airflow but I've heard complaints about them too. Gadget says they allow extra airflow at the cost of proper filtering. He said hold the filter up to the light and you'll be shocked at the size of the holes in the filter. He recommends Amsoil filters.
I'm not having a problem getting enough air into the sc. If you were restricted on air flow to the sc, you would see that you couldn't boost up to the pulley rating. For example, you have a 6psi pulley and can only boost up to 5psi, the problem might be air intake restriction. Until you have a problem with that, I'd stick with good quality filtering. -JoeB