i just bought a 94 acura integra and i want a nice sounding exhaust. so im newbie to all this stuff. i have done some research and was thinkin about gettin either: 1) apexi ws2 2) apexi n1 or 3) rsr exmag. let me know what u think. and also which ones would sound good w/o a cat and if thats a good idea to not have a cat. thanks.