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With that attitude I can absolutely guarantee you will have hearing loss and far, far earlier than you can imagine.
Take it from an old guy whose ears ring constantly - the time to protect your hearing is yesterday. I won't comment on loud pipes - that's an individual choice (provided you stay within the law) but I will say you should start wearing ear plugs every time you ride. If the pipes don't get you the wind will.
do you have a temputure gun. i would say something has turned lose inside the exhaust and is blocking the path of your exhaust. a temp gun might help in finding the blockage.
Check your intake, is it running ruff at idle? Carb, check jet, Ride in the rain, paper filter Collapsed or maybe a neighbor shoved a potato in the pipe.
I would shine a flashlight up the pipes and try to see if anything is blocked in there, of course I think that would be extremely rare. Otherwise without necessarily going deaf, you may be becoming accustomed to that sound.