Muffler recomendations?

['69Novajoe]

<div class="ubbcode-block"><div class="ubbcode-header">Originally Posted By: 92646</div><div class="ubbcode-body">I just bought a 1969 SS350 Nova with the most perfectly done 2.5 dual exhaust system I have seen. The problem is at idle the sound from the mufflers resonates through out the interior and you can not hear anything else including the engine idle. I am not sure of the manufacture of the two mufflers but they are square with a diamond plate case. I usually run a Flowmaster crossover muffler with 2.5 exhaust and I wanted to try the Pypes crossover system in the future but I would hate to change over this complete exhaust system just because I need a different mufflers. Does anybody have any suggestions?
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<span style="color: #FF0000"><span style="font-weight: bold">Wait, you got another Nova??!! Where have I been? Guess I haven't seen you in awhile Mark. Hopefully we can get our cars together sometime soon. Have you ever been in my car? I've got the Flowmaster crossflow you referred to but I've got an x-pipe that makes it sound really different. I don't think it's too loud but, then again, I'm deaf!! Take care and let's do the Donut Shop or Cars &amp; Coffee.</span></span>