Quote:
Originally Posted by dparm
The Dinan will probably be louder -- probably raspy and tinny. Cat converters act like small mufflers/resonators.
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I had a full DINAN setup on my previous e92 m3 and I actually kind of like the little bit of rasp. Its not obnoxious at all. And my issue with the Akra is the resonance in the piping since its titanium.
Just wasnt sure if 2 cats + 2 resonators (Akra) would be louder or softer than 0 cats + 4 resonators (DINAN)