A few weeks ago I noticed my engine started running rich. Noticed that I was low on power and a few times the engine stalled out after starting it. MAF sensor reading were off so I figured it was dying. I bought a new LQ4 MAF and when I went to go change it I noticed this....
https://www.dropbox.com/s/3vi3tb9zb6...G0067.jpg?dl=0
https://www.dropbox.com/s/5dre38ruab...G0068.jpg?dl=0

So it seems that after two years of use the filter fell apart and for a few weeks my engine had been ingesting all sorts of crap which killed my MAF. Anyone running a Spectre Filter beware!