I currently have 3" drop coils and with the bulk of the 'burb, they equal a 4" drop. The truck looks great but I opnly have about an inch of suspension travel and the rear axle housing is rubbing against the exhaust on bumps. I am going to try 2" drops to see if that works better. As I just put new gas magnum shocks on it I may lean towards the in-coil air bags if I need a lift. Thanks for your help and input.