IIWM, I would put that $2Gs away for the day when something goes kaboom!, or you need a pricey maintenance repair ,vs lowering, et al...you already have a long list of mods. Or take a nice vacay/road trip with it.
~48,000 miles in almost 14 years! It is a garage queen. I bet it looks good; we need some pics.
I would drive it more often and enjoy it.
GL, mD