dmetalmiki
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Yep..Down they (Should) Face. Though mine I mouted further back so the air intake pipe fits STRAIGHT on.I have seen the air scoop mounted facing down as in the second picture, but I don't think it is correct. I have installed a few heater kits, and I don't recall that in the instructions. The deuce in the background shows the air scoop in the proper mounting direction from what I have read. Regarding mounting it in the upper or lower holes, I only ever used the upper hole as this was shown in the installation directions that came with the kit. I have definitely seen the lower hole used, however. Perhaps, some of the kits (later kits?) included instructions to use the lower holes.