FL5 owner from Australia, wanted to chime in and say I have this noise too. I didn't pay much attention to it at first but after I got to about 3k km ODO, I almost money shifted to about 7200 RPM and started obsessing and focussing on all the noises and this clatter rattle noise when car is warm...
What does this DT1 mean in effect?
I hit a bad pothole last week and front left tyre sadly split along sidewall (rim is fine). Changed to a full size spare provided by a friend. (PLEASE get a space saver for your car, guys. I was stranded in the middle of nowhere for 6hrs). Anyway, on my way...
Dual res delete done! Had both of the original Sankei resonators excised in one piece, replaced by a straight pipe, with flanges added to the straight pipe and original piping so it can be reversed if needed in the future.
Quite a few people asked for sound samples so here they are. All of them...