Originally Posted by
Mad_Mat
Mate i havent noticed any downsides going with the black series. You want the beam as solid as possible without excessive noise vibration etc.
Yellows no doubt a great improvement over standard rubber to.
I know a good garage that can fit if you need any recommendations

I haven't had any vibration issues either with the black series.Yes beam needs to be solid as you say.
Whichever you choose to fit will be a huge improvement over the standard Ford rubber bushes without a doubt.
CheeRS.Lee.