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This seems to be the opposite of most exhaust questions I've seen so far. I was looking to upgrade the exhaust in my 3rd gen 3 sedan to something with a little better flow, but I don't want anything loud if at all possible. Can anyone make a recommendation? I keep seeing that the CS axleback is on the quiet side, but gets much louder as it wears in. Thanks in advance!
 

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https://www.youtube.com/watch?v=BtjzD0cU4DE

I saw HKS exhaust on a mazda axela which is pretty quiet. Probably quietest exhaust I've heard (from videos) on the mz3. Check the video, but I think that car is diesel version tho, so not sure if it'll sound the same on ours.
 

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Japanese exhaust systems have to pass JASMA regulations. They're pretty quiet.:)
Nice. I like quiet but something a bit louder than stock is fine. Wish I could get that exhaust here but for now I'm okay with my smaller resonator mod lol
 

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