4.6MoneyBurner

I just finsish installing my magnaflow catted x pipe w/ magnapacks!!!! Sounds quiter in the car compared to when i just had the magnapacks. But out behind the car sounds good on take off....RASPY!...i have a question will it get louder even though i got it used or do u think its already broken in???? i guess it takes some gettin used to.