am I alone breaking exhausts? got a stock one that broke on the side, two other stock ones that differents baffles got loose inside and now an HFM pipe that started to crack where the exhaust pipe goes in the muffler…

my engine may backfire about once every 500km, its not optimal for muffler life but can it be that bad? can I be doing something wrong? I don’t think I should be going trough more exhausts than drive belts…