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      12-31-2012, 01:12 PM   #69
topaz330
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Drives: 13 550ix
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Quote:
Originally Posted by Edman951 View Post
Yes to remove the drone a branch resonator per muffler can help, or eliminate the drone.But it needs to be correctly sized. As the resonance needs the correct volume to disapate its self.
I added some to my setup, but i didnt size it right. So this winter i will redo it.
gotcha, so in your opinion, remove the secondary cats or leave it in?
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