heres two for all you guys who wanted to hear the gibson cat back on an 04 (with the K&N fipk)
Inside cab
http://video.tinypic.com/player.php?v=2h2qfc4 Out of tailpipe
http://video.tinypic.com/player.php?v=2meth7r its not the best cause its from my camera but i could never find one half decent so here ya go...
From inside the cab it sounds great... a little deeper, driving home the other day i drove right by a wall and gunned it and it sounded rad... when your on the gas hard it sounds LOUD and powerful...