I replaced the rear cut springs/struts for some omnipower full body coilovers, at first the spring was way to compressed and was stiffer than hell so i loosend them up so that at full droop there just snug, now it rides a whole lot better but when i get into the dips on the highway it feels like the back end springs up quick and i can hear the stuff in the trunk kinda jump, im not to familiar with coilover/full body coilovers all my other vehicles were stock and never lowered so im not sure how lowered vehicles ride, is this pretty common? It rides great in town but the dips in the road can get aggressive sometimes