Will my new exhaust get any louder after a "break in" period. And if so what is that "Break in" period, is it after a certian number of miles or what??

 

Well, it depends... I know cheaper (ebay) exhausts tend to sound raspy and everything after a little while, but I'm pretty sure (don't quote me on this) that quality exhausts retain their original sound. I've heard the ebay ones sound good for about a month, then it's all downhill from there.

 

Well I got a RS*R Exmag, and that was far from cheap.

 

you should be fine, no matter how long you have it

 

^ RSR you should be fine, but even my Magnaflow (which is a fairly reputable brand) got a little bit louder after it got broken in, but it still sounds good