I've had my 05 little over a year. I clean it quite often. I have super 40's and H-pipe. I've been noticing more and more the inside edge of the tips feel rough. The shiney chrome is disappering and I can't get them back bright.They're not black. Its like they're etching and the chrome is burning off. The right is a bit worse than the left. I've used all the chrome cleaners. These tips are stainless right? Anyone else have this happening. Thanks in advance.