The problem's with atrs setup was they used a cheap 14" filter that didn't have a bellmouthed neck and the filter was prone to collapsing and the opening was too small to the box.
Definitely forget about using the cyclops ram air setup as this is worth nothing at the track. Supstituting a good airfilter, like a K&N 9" with a proper bellmouth will be quicker. I opened my box opening with a dremel. The box helps temps on the street, but has no positive effect at the track over an open K&N