1990 Nissan 240SX - 1990 s13

I have a 1990 nissan 240sx, looking for helpful opinions (wheel size, exhaust type, etc.) let me hear what you think I should up grade. Its stock, only installed seats.

Stock ;)

Saving up for a good paint and a wheelset

Stock, I wanna lower it when I get my wheels

Polk audio speakers and 2-12" Kicker CVR pro competition series subs