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Originally Posted by 2005GTOLS2
Good info there thanks!!. I just have one comment. I have had my GTO for a little over a month now. I have just over 3,300 miles on it now. I noticed the other day that the exhaust is definitely louder(throatier)....anybody else experienced this? Not that I am complaining....  , but is it the motor loosening up a bit? I got up under it with it running and listened for any leaks and didnt hear any.... Any comments or thoughts? Thx Guys. |
Just the exhaust "breaking in". As the metal expands and contracts through several heat cycles the mufflers become looser.
