I have been searching and i really haven't found any DIY for lowering springs... is there one out there?
i was going to install the TRD springs myself this week, but have decided against it. after research and speaking with others i think its best to let experienced techs install them. if i had a friend or two to help that would be a different story, but w/out any help i can see problems arising. i do most work myself, but have never messed with springs before. good luck and post pics!
The spring swap on this is quite easy due to rear trailing arm. What's time consuming was removing covers to get to top of front struts.
x2. It was very easy and just a bit of time if you have the right tools. Springs aren't too big of a deal, just use common sense for safety.