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      05-01-2014, 08:38 AM   #19
Used2be
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Drives: F90 M5 DG/Aragon
Join Date: Oct 2012
Location: Michigan, USA

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Quote:
Originally Posted by dapple View Post
I removed all of the sound deadening material and found that each muffler had around 2 pints of water in, maybe even more. Had to drill a small drain hole and then close it up with a tiny tig weld.
Brave work, thanks! It does sound more dynamic without that little bit of packing. If the muffler position leads to water accumulation maybe the small drain hole would be something to leave in place? Motorcycles have that small drain hole in the low spot in the exhaust to get rid of the water. Doubt it has any negative effect, and lets the water escape.
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