Hiya all,ive got a 172 cup!and i lowered it yesterday on h&r coilovers!now my mate put them on for me!but i have some terrible knocking noise on the rear every time i go over any tiny little bump in the road!its nothing in the boot as it is clear!and im just worried about driving it now!i just wonderd if anyone knew what it could be?also im all the way down at the rear and it doesnt look much different to standard,should this be right?:dapprove: