Hey guys Iv recently brought a new 2013 fg xr6t (6 speed manual) and have only done 500kms on the clock, but when im going from first too reverse there is a shutter in the back end, also turning around a roundabout or turning corners or out of the driveway at slow speeds, just wondering if there could be a possible problem that someone else has had that shows the same things or weather it could just be the LSD needing time too wear in and that's causing it too make the shutter as its not allowing one wheel too slip. also the warranty question, does anybody know if adding a BOV will void fords new car warranty or if it should be fine too have one, also does it loose a noticeable amount of performance if I add one? or not really? thank you.