hey guys, soo i put a 3" RC kit in my 99 cherokee, and some 31" MT/R's. After doing the lift i was decelerating off the highway and at about 80km/h (50mph) the entire jeep shook for a second and then went away. At first this only happened to me a few times but now it seems to happen everytime im doing 78-82 km/h.... any ideas? thanks