Hi robby71,
Hope you don't mind me asking, Where did you got the gearknob and leather gaitor from? It looks a lot better than the OEM one.
Bought it off ebay - https://www.ebay.co.uk/itm/303716731091?ssPageName=STRK:MEBIDX:IT&_trksid=p2060353.m2749.l2649
You'll need to remove the standard knob/ gaitor. The gaitor on the old 1 is glued to a plastic surround, this can be pulled off leaving the surround. The new gaitor is elasticated so fits over the surround