shut up

[snowtractor]

what is the best mod to get the 660 rhinos quieter

 

[imdoo'n]

kolpin makes an add on muffler, for hunters

 

[scoobienorth]

muzzy dual exhuast with the whisper cores, but it is a lot more than just the muffler, insulating the box helps as well, google it and you will find hours of reading from people with the same issues from all sxs's