I finally had my intrax springs installed after only having them for 2 years. While there is a few things that need changed to really optimize the springs, it feels and looks great. I had the fronts installed by a shop and did the rears by myself. They were cake after I disconnected the shock and removed the isolators (the oem springs were still pretty snug). On the passenger side with the axle as far down as it would go with the tire off, I still had to remove the isolators both top and bottom (which isn't very easy). Is this something not common? Every post I've read said that they damn near fall out when the axle is relaxed. Either way it was worth it.