I live on south shore and make the drive to Advanced Technologies for all of my needs even though it's all the way up in Gloucester. They're car guys that know racing, are honest and fun to be around while they work on your car. Been going there for years.
Among other things, suspension wise they've installed springs on my Golf R and sway bars on my R32. I have no plans to go elsewhere as long as they're around.
http://atechtuning.com/