hi, has anybody ran the borla cat back system without and cats? how much louder is it? i am looking for a louder rumble. I have a 2000 5.4l and it has the 4 cat setup. Before i hollow out my cats and i wanted to get some input if anybody has done this? Also, do u guys think i should just hollow one the of the two cats on each side b/c i don't it want it too loud. Does anybody have any sounds clips? Please let me know.


dave