I'm "fixing up" the used 2004 sedan (base) I just bought. Turns out I had to replace the cat, and I asked for OEM part, and had a quote. It was cheaper by close to $300 than the quote, so I looked up the part online. Turns out it WAS OEM, but instead of a left 2004, they put in a left 2005. There's nothing written down about a new gasket, or anything. Will the 2005 be as good as the 2004, and wouldn't they need a new gasket? Thanks!

 

03-07 Coupes and 03-06 Sedans have the same OEM cats.