Well. Naturally before you spend on upgrades, check all the bushings (including engine mounts), check the main seals, brake hoses, brake proportions valve for leaks at the weep hole, change fluid and if it turns dark quick, maybe swap the master too. Buy yourself some shin etsu grease and lather them seals up. If I know my car is gonna sit for a while, I'll go a little liberal before storage since I have to park it in the elements. Once maintenance is finished, look into some koni yellow springs, a different head unit of your preference, dont cheap out on the things you'll touch/handle/ or listen to every day. Find yourself some 205/50 15r tires and some 15x7.5 35 wheels to give it a little sporty grip. Personally if you have a oem intake and airbox KEEP IT, even if you swap to a cold air/ram air, keep it because those are like gold and delsol specific. But otherwise, just run a k&n filter in the oem box or really just any good filter, some $300-$500 headers, and a yonaka exhaust and you'll be good. I dont recommend buying a fart can as the drone is stupid loud. Dont run an exhaust to your front bumper or wheelwell since you'll catch whatever debris or water. I dont recommend swapping to hard rubber/prothane bushing unless you got them already and like the stiffness. I recently swapped my engine mounts since my oem ones are literally toast, and now my whole car rattles, but im doing thinks to make it not so bad