What is this?
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Joined: Nov 2013
Posts: 91
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What is this?
There's nothing wrong I just can't figure out for the life of me what that black cylinder thing is? It's connected to my exhaust pipe and is right before my muffler, any ideas?
FYI- it seems to be solid and there's no openings. And my truck is an 03 with the 5.4
