got a 2 bros.full system and got the 2 power tips they offer for them one reduces noise by 4to 5 d.other 7to 8 d.i i like the 8 better,dont like the noise on longer trips.i got both tips because of price 25.00 and 30.00.easy to switch out.if your after less noise they both get the job done the 8 is better for me.my advice,get both. lets ride....
Didn't think the stocks measured that loud. My cruiser's stock pipes were only measured to be 76dB from 5' @ 4k RPMs and 30dB from 5' @ idle. The 300 seems quieter than the cruiser. Although things are much different I guess when you on the bike and when you're behind the bike.
For stock readings they are on the seat i think. Under the pillion seat. I'm certain its somewhere on the bike. Has to be for compliance in Australia. Right?
I'm abou to install the 7 db noise reducer as my neighbours are complaining about the noise level. If noise is a concern to you be aware that although it sounds awesome it is actually very loud
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