The filter system I have looks like it has a bad gauge. No prob, I went ahead and ordered a new glycerin filled gauge however, its a bit wider in diameter than the stock gauge its replacing and hence does not fit the filter housing as far as this "lip" around the gauge goes.
I wanted to know if it was okay to just dremel off the excess and go. I dont' see any reason why not, its not something that appears to be anything other than cosmetic, but being new to all this I am just curious.
As a side note, I woudl prefer to keep the gauge hence the dremel question as it was only $7 new.