I have heard many and the quietest I have ever heard is the Greddy SP.
I have the N1 and it is one of the loudest-ITS ANNOYING!!
------------------
14.6 @ 93.6mph with I/E
I have the N1 and it is one of the loudest-ITS ANNOYING!!
------------------
14.6 @ 93.6mph with I/E

