Quote:
Originally Posted by SomeGeoffGuy
I see you have a Borla. I am not sure what is inside of them, but if they have fiberglass then sometimes the tone will change as they "bake" in. Also, I think that you just get more used to it. The stock stuff has nothing but air and pipes in the mufflers, so they stay pretty consistent. The only difference you might here is between hot and cold start.
-Geoff
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I Don't clearly remember but I think I had this issue with the Stock Muffler as well, Definitely after revving 2-3 times while the car was in stand still, the tone used to get less and less deeper....
Thanks...