I've been researching this for nearly two years. If you want no drone whatsoever, you have to do a complete exhaust system swap with a matched system of headers, high flow cats and muffler.
I cannot remember the name of the company who produces it, but there is a system out there that has no drone and is $4000.00.
Evidently a nice and loud and resonance free exhaust doesn't come cheap.
But that modded muffler will give you more sound without any drone.
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