I installed the cartridge kit on my 08 last fall. ANYTHING is an improvement over stock but I would not do this kit again. The only adjustment is the number of shims between the spring and the shock body and you have to completely disassemble the forks to get to the shims. I wish I had just got springs and emulators thru Cogent, would have been the same cost and I would have gotten more adjustment out of it. I was hoping the cartridges would be plug and play since it is my daily driver but I'm going to have to spend just as much time digging out the shims I put in during the initial install. At least I'm satisfied with the 465 shock I put in at the same time.