I got there induction kit, catch can and the FMIC kit but the a4 version as its 50mm thick making it easier to fit behind the bumper, plus K03 outlet is 50mm, don't understant why the pipe work in the golfs constantly goes big-small-big-small... The exhuast sounds good, I'd be tempted myself.
Not sure about the turbo's I would be very hesitant, but I have not been let down by them.