like others said, check to see how the spring is seated and if it moved at all since installation, and also check to make sure all the bolts are at proper torque. it would be in your best interest to get a wheel alignment now too.

 

I got the Eibach pro-kit didnt want to lower it a whole 2 inches with the sportlines so i went witht he sportkit 1.4 front 1.2 back supposodly. but yeah the struts, WOw. i thought i was missing a bolt or someting but me n my friend just started spraying it with WD40 letting it soke then hiting it witha 2 by 4 and hammer and it finnally came out.