New guy here from Ottawa, ON

Hi Guys,
new here but not new to the Polaris family.
I just bought a used 2004 Sportsman 400 mainly for hunting.
I also have a 2012 RZR S LE.

I’ll probably end up replacing the exhaust on my 400: the can is badly rusted…
I don’t really want it to be any louder so I’m not sure if any aftermarket systems remain around the same dB level?

Any issues I need to know about?

Thanks!