i have super 44's and Dynamat on the floor and the drone to me is bearable/not really noticeable... but engine size, camshaft and style of pipes/muffler location all plays a role in exhaust sound. unless it's a factory "quiet" muffler some drone will be present...
Flowmaster Super 40 interior drone
Do Flowmaster Super 40 mufflers really reduce some of the interior resonance that the original 40 series had? I'm stuck between them and Delta Flows but don't want the car to be too quiet, just more bearable inside.
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