I had exactly the same problem when I fitted mine last week. I had to cut 2 1/2 inches out of the drop links and weld them back together. Got a good weld on there so they're nice and strong. My rear shocks also knock a bit. I've been in contact with the seller and he's agreed to send me another pair when I've had the faulty pair picked up. He also told me that the FK AK kits don't come with shortened drop links? I thought they did as that's what is shown in the pic.
Also, it looks like you have your rear spring adjusters on upside down?
The FK AK Street kit should come with drop links but give me a shout and we can get a set for you.
Damian @ DPM Performance
...Have been in contact with the seller EXPRESSENTERPRISEPARTS1 and he said i have the car 2 low hence my problem...
You got any pics of your rears?
Have been in contact with the seller EXPRESSENTERPRISEPARTS1 and he said i have the car 2 low hence my problem..... I have opened a paypal case as the pic shows drop links...