I also have a JB4 sitting here that recently arrived with a JB4 connectWATTS 235i wrote:How do you like the sound with the Sports Downpipe fitted?
All you need now is a JB4.
I've not yet had a chance to get it fitted yet..it's a bit of a crazy time at the moment for me with some work exams which will be all over in a few weeks. Going to get the DP and the JB4 fitted as soon as that's over. Will definitely post my thoughts once they're on!