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Old 06-22-2018, 03:38 AM   #1
DaddySS
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Different resonator configurations?

I note that on my 2011 SS vert the resonator configuration is different than I have seen on others - no large center resonator but two smaller resonators further back instead. Was the configuration changed at some point in production, are all convertibles different, anyone know?
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Old 06-22-2018, 08:20 AM   #2
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I believe it is not determined by body style but transmission. L99 have the big middle resonator, Ls3 have them in the back.
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Old 06-24-2018, 10:44 AM   #3
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Thanks. Any know if we can confirm?
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Old 06-24-2018, 11:06 AM   #4
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Confirmed...only the auto has thst big resonator.
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Old 06-25-2018, 03:12 AM   #5
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Thanks all, I appreciate the responses.
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Old 06-26-2018, 09:44 PM   #6
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I believe the auto/L99s have different resonators due to the AFM (cylinder deactivation). If you remove the resonator on an L99 it will have a strange exhaust drone when the AFM kicks in.
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