There are 3 gaskets on the J-Pipe.... I've taken mine off on my 08 (same as 10) and had to replace all the rusted nuts and studs, along with the gaskets. Please take a look at the pic, # 7 & 14This is my advice it will be fine. It is long lasting, same thing goes for cat gaskets(and they are real gaskets, not rings/donuts) There was no difference new vs old...
Did you ever tried to take that ring out? genuine question.
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