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  1. 2010-13 Mazdaspeed 3 Engine and Performance
    I would like to replace the stock mufflers on my 2015 MAZDA3 i Sport. Should I consider getting a Magnaflow cat-back exhaust? I want something with a rich, throaty sound.
  2. 2010-2013 Mazda 3 Engine and Performance
    Anyone got any thoughts about the nrg carbon fiber muffler How do they sound? would anyone recommend one?
  3. 2010-2013 Mazda 3 Engine and Performance
    I'm new to this site, and was wanting to hear some feedback on which mufflers are the best for the 2.5 I want my car to turn heads (in a good way) when i go by, but not be to annoying at idle speeds inside the car. Any help is much appreciated! Thanks!