Fred, if you suspension is stock, it's ancient and need replacing. Ditching the HICAS is a good start, but a spongy hollowing 32R is a crime. Invest in a prolonged search of the suspension threads before you blow your hard earned on non essentials; all will be revealed. Please don't take you car to some generic suspension guy. Do the research, put a budget together then find the RIGHT specialist. These cars are weapons when sorted properly.
If the front brace is attached to the shock tower and you can see it when you open the hood you have purchased strut tower braces They wont fix power over steer on a 15 yr old car