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I have a 2013 that had the MPE thrown in and at first I was skeptical over how much better it would sound.
Under load around 3600-4000rpm there is this hollow exotic sound that I have not heard before. Bearing in mind I had a 08 M3 which had some custom exhaust on it.
I'm thinking about pairing my MPE with a X-Pipe and now I worry that the hollow exotic sound would diminish with rasp.
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