^^ that'll produce massive engine failure for sure... but apparently humidity or rain will cause the filter to soak (water draining down the tubes and into the filter, or humidty and the filter retaining water vapor). That would affect the MAFs. TX_370 had those issues. Here:
[Hou] CCM X Cruise to Dallas
I don't have the injens, so I can't say for sure that is true, but it sure makes sense to me. There's a lot of people in here complaining about the same issue and a few hydrolocked because of them... IMO, Stillen has a better design for the same price, if not less.