Coilover clunking noise
 

Hi guys, i just installed a set of (brand new) FK Highsport Coilover on my 2012 A4 and they're making this clunking sound...
I contacted ECS tech support and they're telling me to change my upper strunt mounts ,my car as only 30K miles and it wasn't making any noise with the OEM suspension.
What do you guys think i should look for?