Looks like a nice system. I like the fact that it's enclosed.
I have the airaid cool air system. It has a rubber seal that makes contact with the hood to seal off from the engine compartment. Seems to work well but I did not see a increase in mpg. Only had about 3000 miles on it at that time.

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7.5 3500QC 6.7CTD 68RFE Build date June 2007
Superchips tuner 3808, Boost/EGT Laser Gauge, Airaid cold intake