Why not quote you? You're right on
If you get a pipe, you need to rejet. Just the can should be safe. Some guys will rejet because of the increased intake, but Polaris jetting is pretty rich. Check your plugs often on the first few rides, if your plugs are white, it's too lean. If they are black, it's too rich. Cardboard brown is perfect. Better to be rich than lean, rich doesn't leave holes in your pistons