imma bout to get a apexi ws catback from this guy (used) for around $200. lotta ppl are tellin me its gonna be mad quiet, so quiet ill hear my CAI over it. is that true? so if it gun it (WOT), its still not gunna be loud? also they dyno tuned the apexi ws catback on a 91 civic hatch in import tuner and it lost a little hp and gained torque, any losses/gains on an accord?