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      04-27-2014, 01:02 PM   #16
dapple
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Drives: F10 M5 and F80 M3
Join Date: Jul 2013
Location: uk

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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.

The sound is good, has a lot more rasp and crackle. No drone inside the car and volume I would say is about 15-20% louder outside the car. Can't test it under load yet as it's been raining all day but will post a video soon....

Last edited by dapple; 04-27-2014 at 01:08 PM..
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