Guy that installed mine swears up and down that it has no drone, so maybe I am crazy or something and like I said when I stand on it has a great growl to it, but at other times it is just to loud. So I will try other things to get it where I want it to be. And hey I got a good deal on the flow masters when I bought them so I am not complaining I just want to adjust the sound to my liking. The cold start rumble is awesome but it does change as the car warms up and of course them longer I drive it the sound will change as the exhaust gets seasoned.
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