HELLO i just received my Apexi NI muffler.. wow that thing is huge!! and heavy.. but anyways.. i was just wondering.. how does it sound.. i've been hearing different opinions.. someone said it was loud and raspy.. and other's said it was deep and nice.. .. what do u think?? oh.. uhh for you guys with apexi muffler.s.. what diameter catback did u get? 2.25? or 2.5 someone told me 2.5 is good.. dunno what imma pick.. i'm getting it put on tomorrow ... for 100 bcuks with catback system.. and i need some response asap... thank you:'(