What Part Could this be?

Hello friends,

Before I go to the shop I always stop past here to get a little information or understanding so I don't appear clueless. This morning when I wasa getting into my car while crossing the street I noticed something appeared to be hanging. I got on my knees to look under the car it it apears some typr of pan looking thing is hanging. I have a 98 galant. The pan look think is in the middle underneath hanging but not dragging. What part could this be?

I was able to get it off with ease however I still don't know what this piece is so I have posted pictures so someone can help me identify the part so I won't get duked when I go to the repair shop
 
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