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Just because you have a catalytic converter in your front pipe does not mean it will be quieter.
The Berk front pipe you referenced made an entirely stock exhaust system about 3db louder than the stock front pipe. I've tested about 20 different combinations and a handful of them were recorded.
If you want more noise and smell, go with any straight pipe.
If you want more noise and no smell, go with any front pipe with HFC.
If you want smell and little noise, go with any front pipe with large resonators.
-alex
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