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Old 01-23-2010, 05:39 PM   #6
JL8Jeff
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Join Date: Aug 2004
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You heard my 396 with the normal Summit turbo mufflers and it had a nice rumble at idle but was not bad at all while cruising on the highway at speed. Tailpipes might make a big difference, but I thought the Summit mufflers were Dynomax blems so they should be similar. Don't judge without tailpipes though.
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