Thats massachusetts for ya. Knock on wood my stock exhaust setup is showing no big issues with rust (Rolling on 46k miles on it)

You'll see why I posted a thread about stainless steel systems, (Im still having trouble finding one for the Supercharged models)

I learned my lesson from the first that had a pacesetter exhaust that last just about 2 years before the muffler can was rusted right thru