They've probably made them stronger so that we can't drill them out as we do!!!
The 06's baffles were harder to get out than those on the 03, but we were the orginal ones to drill them out using a normal drill not a hole saw. And get a little stone and smoothe the hole.
Gina
03 America - Pretty stock - except the TBS wheel...

06 America - missing, presumed in bits. With it's TBS wheel...

09 America - It's very blue....