I run mine with the snorkel out..never had a prob
all I use it for is gravel/off road...
In fact the DNA filter system is the only probs
I have had... they let dust though.. & the side
air box filter lets water in if you stop long
enough in deep water...
I now have oiled foam filter in it...
http://www.thepipercrossshop.co.uk/m....asp?model=209