Rear Suspension Loud Clunk noise

[Desertson1410]

Hello All,

So I installed a 3.5 body lift from Supreme Suspeniosns on my Suburban. After in stall the rear Suspension makes a loud thud noise when I go down my drive way almost sounds like the rear body likt is lifting off the Dif. On occasion while driving my stability track will also come on is there something I did wrong? I will post pics of the install when I get home to show the install and placement. TYIA FOR ANY HELP!

[riverbanks]

Post pics,and did you stretch the wires going to the front hub abs?