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So does the exhaust drone come from the "sound" or from the "sound" resonating the pipes.

If from the latter then I need to modify the mount points to change the node points, if from the former changing the muffer or something should make a difference.

Anyone know what is the root cause cause of the "drone"??

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exhaust drone is actually a resonance, where the whole system is allowing the sound waves to basically "build up" and create the drone...kinda like blowing air over the top of an empty coke bottle.

and, every car combo is different! only way to figure it out yourself, is to experiment, change the length of the tail piples if you want, change the mufflers, add an H or X pipe, if you already have one, then try it without...

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