Another "Cold Air" situation
Hmmm... Where to start.....
Well, I think I'm one of the few people that have actually tried just about every type of air intake system out their and from my experience, running the "scoop" from the drivers side air damn with a hose of some sort to an OPEN K&N filter seems to work best for me.
I will not write any negative comments about any of the products that vendors are selling. I will tell you that there IS at least one down side to each of them.
I will tell you this, there is NO escaping hot air. It's going to get you no matter where the filter is. It's cooling that back down the fastest while moving that I consider the most valuable.
I’d suggest keeping the filter outside of any box, while delivering cold air in the fashion stated above.
Good luck.