So, I just got a new-to-me CPO 2015 E350 Sport last week, and it is a very beautiful car! It is a huge upgrade coming from an 2014 F30 328xi. I'm looking for some options to upgrade my exhaust without breaking the bank (I'm on a college student budget ), and after doing some research I am hooked with the idea of replacing stock mufflers to a more high-flowing ones. I'm really new to this exhaust thing.
#1: First of all, I'm sorry if a lot of my questions seems stupid, but is muffler the "box" thats really close to the exhaust tips? If that's the case, then I need to get 2 mufflers from magnaflow?
#2: Which specific model/part# should I get? I'm looking at the MF Performance, but there are a lot of different dimensions. Will 3.5x7 Oval muffler works for my stock exhaust?
Here is the site that I'm looking at:
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