Originally Posted by cjt_
Well its most likely not a blown damper...
Have you adjusted the damper settings as they ship them at full hardness?
At full hardness they 'crash' over bumps (a mate got caught out with this on his teins and didnt realise they are set full hard from the factory in the box)
Did you DIY install them (I'm guessing not?) otherwise take the car back to the installer for a quick checkup?