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  1. Aftermarket Muffler with Very Little to No Drone?

    Intake and Exhaust
    I looked around on other threads, but could not find what I was looking for. My main question though is, Is there a muffler that adds a deep, aggressive, growl to a 4.7L that has very little to no drone? Preferably under $100?
  2. Check out this "adjustible" exhaust drone fix

    Tundra
    Adjustable exhaust drone fix: I'm sure most of you have already heard of a Helmholtz resonator to fix the drone of many aftermarket exhausts. My wife's ears seemed to be directly tuned to hear the drone, so I hit all the message boards looking for the exact size, shape, and placement of the...
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