clogged cat

[awdmonster1904]

I took my down pipe off I notice that it has lots of sud ### of my car ruining rich how can i check if it clogged ?
when am looking at it ?
I only had the cat for like a year ...but I ve been runing rich for months

 

[Backinajiffy12]

What does your AC fan look like?

 

[awdmonster1904]

What does your AC fan look like?

I don't have one why?

 

[Defiant]

What? WTF