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How is 95dB limit measured for exhaust?
EvoX95123
07-02-2009, 11:35 PM
How far away do you put the sound level meter? How many rpm should the engine rev to? Is it A or C weighted for the sound level?
ithinkyou
07-03-2009, 02:50 AM
i think it was 3 meters at a 45 degree angle from the tip. Rev'd to 4k
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