Quote Originally Posted by L1ghtninchris View Post
mine made the same sound before, it was the exhaust heat shield, they replaced it under warranty, it came loose, but while car is running look under the back near exhaut if it is loud there then it is that

Same here. They swapped it at about 14k, and the next day it started again, just not as loud. People were looking at me at a red light, that's how bad it was.