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Discussion Starter · #1 ·
any1 know the db level of the 05 stock pipe.
And what kind of level do the after market pipes (slip on) have?
I understand that D&D has the loudest pipes.
 

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Akrapovic tested it and came up with 98.6 db. Seems a little high since a common race baffle from Yosh is 96 db. My K2 750 stock system had an 80 db rating. Not sure how Akrapovic tested and if they tested from the same distance from the end of the tail pipe which I think needs to be 20 ft. away for an EPA test.

The new muffler is definitely louder than the older models. I can verify that first hand especially at full power. It sounds really good about as loud as a Yosh TRS race muffler I had which has a 96 db rating. If it were not for the SET valve it would be even louder than it is now.
 

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Discussion Starter · #3 ·
weight comparison (kg)
stock AKRAPOVIC difference
4.88 2.07 2.81

noise measurements (dB / rpm)
stock Akrapovic
98.6 / 5500 102.2 / 5500

Thanks shockinglyfast750, I too found this info on there web site.
 
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