Has anyone had any luck getting a dealer to fix the very loud noises the exhaust makes cooling off? I'ts too loud to ignore.

take it back to the dealer if it still under warranty and have them replace
muffler shield there is a update shield avalable from gm.

take it back to the dealer if it still under warranty and have them replace
muffler shield there is a update shield avalable from gm.
:thumbsup: