Originally Posted by Chefalan23
The normal engine drone doesn't bother me, the only thing I'm worried about is the mds sounding like a helicopter.
The MDS drone can get quite annoying, at certain speeds/rpm combos my cab starts to resonate/rattle. I'd bet money a flowmaster would be worse than a magnaflow. There is only one muffler on the market right now that claims no drone due to an internal spring loaded buttterfly valve.