Putting Stock Muffler Back On - Performance
#12
I didn't weigh it. I want to say that I used right about (3) 36 sq ft boxes of Dynamat for the entire cab. Just under 1 box for the door. Just under 1 box for the roof and pillars, and about a box for the floorboard with, half a box for the rear wall.
OP, you might also want to go check your frame to body mounts, and exhaust isolators. If you took it to a shop, and they welded any of the hangers directly metal truck to metal exhaust, you would be getting more noise and drone transferring straight through, as opposed to it hanging by the rubber isolators like it did from the factory.
OP, you might also want to go check your frame to body mounts, and exhaust isolators. If you took it to a shop, and they welded any of the hangers directly metal truck to metal exhaust, you would be getting more noise and drone transferring straight through, as opposed to it hanging by the rubber isolators like it did from the factory.
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0235SS93
GM Engine & Exhaust Performance
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Apr 14, 2013 09:56 AM








