Unless they are going to set Db/DB limits, and issue meters, this is going to be very hard to enforce equally. I bet the AMA gets involved.
As to saying that "modifying" the exhaust is illegal, it will depend on what they determine is modification. Is replacing the stock silencer with a street legal part a modification? Or is this simly a reference to the emissions systems in the exhaust.
As to saying that "modifying" the exhaust is illegal, it will depend on what they determine is modification. Is replacing the stock silencer with a street legal part a modification? Or is this simly a reference to the emissions systems in the exhaust.