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      09-13-2012, 12:09 AM   #26
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rjd598's Avatar

Drives: E90 M3/ F30 328i
Join Date: Jan 2009
Location: San Diego,CA

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2016 BMW 328i  [0.00]
2010 BMW M3  [4.50]
Originally Posted by E90///M3` View Post
i'd like to do this but how accurate will it be if anybody miraculously goes above 100 decibels

another note... i read somewhere the iPhone microphone is only god for up to 110 decibels. my exhaust is loud... promise it will go above 100 decibels on cold start on on acceleration.
Give it a shot and let us know. If its past 110 then well know you have a loud ass exhaust! Hahaha I originally said I know this app might not be the best measure but since it's free and on iPhone we could all use it as a basis. No one would go out and buy decibel reading equipment or even pay for the decibel reading apps so this is our best option.