I'll get that "puff or pop" through the air cleaner too, just nature of the beast
That's something I thought it might me. I hope that is it.
It isn't dangerous right?

Ex- whats's a CEL? (sorry...)

Blade- I MAY have over-reacted, it MAY have been sarcasm.
I don't think that smiley indicated sarcasm, even so it was uncalled for.

Thanks for the quick replies, I hope it's just the air intake deal.