quiet core for racing series 3650 pipe

[paulincayman]

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Hi , the above is picture of my new old stock racing series 3650 pipe for my 89 nx650 , is there a quiet core or packing available for normal street use ?
thanks
Paul

[jwells]

Again, there was a EAR core version, but that is long gone now, and the difference was fairly minimal.
Did you try it? How many discs did you try?

[paulincayman]

Just bought it on ebay not got it yet , bikein pieces awaiting reassembly

[jwells]

Ok.
Get it and try it out.