Help! S-o-s!

My 87 Toyota Supra Runs Well But Is Totally Ghetto...can Anyone Spot Me Some Info? I Need A New Exhaust Pipe, Brakes, Calibers, Sparkplugs, And The Place By The Vavlve Color/ Oil Is Smoking But Not Badly....i Think I Might Need An Oil Change....well I'm Trying To Fix My Baby Up...i Am Locating In New Jersey...can Any Give Me An Estimation As Far As Price And Is There Anything I Can Do Myself?....diana