Gday all, I got a cat back 2.5 inch exhaust done on my car last year. Now I'm no complete dummy but where is the cat... I havnt been right up to the turbo but looking from underneath from what I can tell (and online "full system" photos inc cat) from the turbo it goes dump pipe to the triangle joiner, piping flex bellow, piping, muffler, out... wheres the cat...?? :S something I'm missing completely lol I know its got 1.