Hello everyone! To start off let me apologize if I happen to post this question in the wrong place, I am still getting used to this forum stuff. I would also like to apologize if the question I'm about to ask has already been answered a million times. I have a 325es and I am looking into a new muffler, right now I have a flowmaster and it sounds alright but I'm looking for one that is a little louder,deeper, and better sounding. I've looked all over and on many different forums about the different kinds but before I finally decide on a brand, my question is, is the piping size on my 325es the same as the 325e or even the 325i/is? And whether or not it is, what size would I need for my 325es, and would I need things like the Y pipe and if so the size for that? Thanks everyone!
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325es exhaust diameter
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